Properties

Label 40.0.184...961.1
Degree $40$
Signature $[0, 20]$
Discriminant $1.850\times 10^{74}$
Root discriminant \(71.89\)
Ramified primes $3,11,23$
Class number not computed
Class group not computed
Galois group $C_2^2\times C_{10}$ (as 40T7)

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Normalized defining polynomial

sage: x = polygen(QQ); K.<a> = NumberField(x^40 - x^39 + 6*x^38 - 17*x^37 + 17*x^36 - 102*x^35 + 73*x^34 - 73*x^33 + 438*x^32 + 2431*x^31 - 2431*x^30 - 14783*x^29 - 27726*x^28 - 119119*x^27 + 156703*x^26 - 53754*x^25 + 2550119*x^24 + 529177*x^23 + 6902634*x^22 - 17622319*x^21 - 42843857*x^20 - 105733914*x^19 + 248494824*x^18 + 114302232*x^17 + 3304954224*x^16 - 417991104*x^15 + 7311135168*x^14 - 33345696384*x^13 - 46569033216*x^12 - 148978579968*x^11 - 146993273856*x^10 + 881959643136*x^9 + 953430663168*x^8 - 953430663168*x^7 + 5720583979008*x^6 - 47958868426752*x^5 + 47958868426752*x^4 - 287753210560512*x^3 + 609359740010496*x^2 - 609359740010496*x + 3656158440062976)
 
gp: K = bnfinit(y^40 - y^39 + 6*y^38 - 17*y^37 + 17*y^36 - 102*y^35 + 73*y^34 - 73*y^33 + 438*y^32 + 2431*y^31 - 2431*y^30 - 14783*y^29 - 27726*y^28 - 119119*y^27 + 156703*y^26 - 53754*y^25 + 2550119*y^24 + 529177*y^23 + 6902634*y^22 - 17622319*y^21 - 42843857*y^20 - 105733914*y^19 + 248494824*y^18 + 114302232*y^17 + 3304954224*y^16 - 417991104*y^15 + 7311135168*y^14 - 33345696384*y^13 - 46569033216*y^12 - 148978579968*y^11 - 146993273856*y^10 + 881959643136*y^9 + 953430663168*y^8 - 953430663168*y^7 + 5720583979008*y^6 - 47958868426752*y^5 + 47958868426752*y^4 - 287753210560512*y^3 + 609359740010496*y^2 - 609359740010496*y + 3656158440062976, 1)
 
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^40 - x^39 + 6*x^38 - 17*x^37 + 17*x^36 - 102*x^35 + 73*x^34 - 73*x^33 + 438*x^32 + 2431*x^31 - 2431*x^30 - 14783*x^29 - 27726*x^28 - 119119*x^27 + 156703*x^26 - 53754*x^25 + 2550119*x^24 + 529177*x^23 + 6902634*x^22 - 17622319*x^21 - 42843857*x^20 - 105733914*x^19 + 248494824*x^18 + 114302232*x^17 + 3304954224*x^16 - 417991104*x^15 + 7311135168*x^14 - 33345696384*x^13 - 46569033216*x^12 - 148978579968*x^11 - 146993273856*x^10 + 881959643136*x^9 + 953430663168*x^8 - 953430663168*x^7 + 5720583979008*x^6 - 47958868426752*x^5 + 47958868426752*x^4 - 287753210560512*x^3 + 609359740010496*x^2 - 609359740010496*x + 3656158440062976);
 
oscar: Qx, x = PolynomialRing(QQ); K, a = NumberField(x^40 - x^39 + 6*x^38 - 17*x^37 + 17*x^36 - 102*x^35 + 73*x^34 - 73*x^33 + 438*x^32 + 2431*x^31 - 2431*x^30 - 14783*x^29 - 27726*x^28 - 119119*x^27 + 156703*x^26 - 53754*x^25 + 2550119*x^24 + 529177*x^23 + 6902634*x^22 - 17622319*x^21 - 42843857*x^20 - 105733914*x^19 + 248494824*x^18 + 114302232*x^17 + 3304954224*x^16 - 417991104*x^15 + 7311135168*x^14 - 33345696384*x^13 - 46569033216*x^12 - 148978579968*x^11 - 146993273856*x^10 + 881959643136*x^9 + 953430663168*x^8 - 953430663168*x^7 + 5720583979008*x^6 - 47958868426752*x^5 + 47958868426752*x^4 - 287753210560512*x^3 + 609359740010496*x^2 - 609359740010496*x + 3656158440062976)
 

\( x^{40} - x^{39} + 6 x^{38} - 17 x^{37} + 17 x^{36} - 102 x^{35} + 73 x^{34} - 73 x^{33} + \cdots + 36\!\cdots\!76 \) Copy content Toggle raw display

sage: K.defining_polynomial()
 
gp: K.pol
 
magma: DefiningPolynomial(K);
 
oscar: defining_polynomial(K)
 

Invariants

Degree:  $40$
sage: K.degree()
 
gp: poldegree(K.pol)
 
magma: Degree(K);
 
oscar: degree(K)
 
Signature:  $[0, 20]$
sage: K.signature()
 
gp: K.sign
 
magma: Signature(K);
 
oscar: signature(K)
 
Discriminant:   \(184977318917298023500939014698578314068923764241165004603173974059593268961\) \(\medspace = 3^{20}\cdot 11^{36}\cdot 23^{20}\) Copy content Toggle raw display
sage: K.disc()
 
gp: K.disc
 
magma: OK := Integers(K); Discriminant(OK);
 
oscar: OK = ring_of_integers(K); discriminant(OK)
 
Root discriminant:  \(71.89\)
sage: (K.disc().abs())^(1./K.degree())
 
gp: abs(K.disc)^(1/poldegree(K.pol))
 
magma: Abs(Discriminant(OK))^(1/Degree(K));
 
oscar: (1.0 * dK)^(1/degree(K))
 
Galois root discriminant:  $3^{1/2}11^{9/10}23^{1/2}\approx 71.89156900353078$
Ramified primes:   \(3\), \(11\), \(23\) Copy content Toggle raw display
sage: K.disc().support()
 
gp: factor(abs(K.disc))[,1]~
 
magma: PrimeDivisors(Discriminant(OK));
 
oscar: prime_divisors(discriminant((OK)))
 
Discriminant root field:  \(\Q\)
$\card{ \Gal(K/\Q) }$:  $40$
sage: K.automorphisms()
 
magma: Automorphisms(K);
 
oscar: automorphisms(K)
 
This field is Galois and abelian over $\Q$.
Conductor:  \(759=3\cdot 11\cdot 23\)
Dirichlet character group:    $\lbrace$$\chi_{759}(1,·)$, $\chi_{759}(643,·)$, $\chi_{759}(392,·)$, $\chi_{759}(137,·)$, $\chi_{759}(139,·)$, $\chi_{759}(530,·)$, $\chi_{759}(277,·)$, $\chi_{759}(668,·)$, $\chi_{759}(413,·)$, $\chi_{759}(415,·)$, $\chi_{759}(160,·)$, $\chi_{759}(551,·)$, $\chi_{759}(553,·)$, $\chi_{759}(298,·)$, $\chi_{759}(47,·)$, $\chi_{759}(689,·)$, $\chi_{759}(691,·)$, $\chi_{759}(436,·)$, $\chi_{759}(185,·)$, $\chi_{759}(574,·)$, $\chi_{759}(323,·)$, $\chi_{759}(68,·)$, $\chi_{759}(70,·)$, $\chi_{759}(712,·)$, $\chi_{759}(461,·)$, $\chi_{759}(206,·)$, $\chi_{759}(208,·)$, $\chi_{759}(599,·)$, $\chi_{759}(344,·)$, $\chi_{759}(346,·)$, $\chi_{759}(91,·)$, $\chi_{759}(482,·)$, $\chi_{759}(229,·)$, $\chi_{759}(620,·)$, $\chi_{759}(622,·)$, $\chi_{759}(367,·)$, $\chi_{759}(116,·)$, $\chi_{759}(758,·)$, $\chi_{759}(505,·)$, $\chi_{759}(254,·)$$\rbrace$
This is a CM field.
Reflex fields:  unavailable$^{524288}$

Integral basis (with respect to field generator \(a\))

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $a^{13}$, $a^{14}$, $a^{15}$, $a^{16}$, $a^{17}$, $a^{18}$, $a^{19}$, $a^{20}$, $\frac{1}{6}a^{21}-\frac{1}{6}a^{20}+\frac{1}{6}a^{18}-\frac{1}{6}a^{17}+\frac{1}{6}a^{15}-\frac{1}{6}a^{14}+\frac{1}{6}a^{12}-\frac{1}{6}a^{11}+\frac{1}{6}a^{10}-\frac{1}{6}a^{8}+\frac{1}{6}a^{7}-\frac{1}{6}a^{5}+\frac{1}{6}a^{4}-\frac{1}{6}a^{2}+\frac{1}{6}a$, $\frac{1}{182124}a^{22}-\frac{1}{36}a^{21}-\frac{1}{3}a^{20}+\frac{1}{36}a^{19}+\frac{17}{36}a^{18}-\frac{1}{3}a^{17}-\frac{17}{36}a^{16}-\frac{1}{36}a^{15}-\frac{1}{3}a^{14}+\frac{1}{36}a^{13}+\frac{17}{36}a^{12}+\frac{78907}{182124}a^{11}+\frac{1}{3}a^{10}-\frac{13}{36}a^{9}-\frac{5}{36}a^{8}+\frac{1}{3}a^{7}+\frac{5}{36}a^{6}+\frac{13}{36}a^{5}+\frac{1}{3}a^{4}-\frac{13}{36}a^{3}-\frac{5}{36}a^{2}+\frac{1}{3}a+\frac{168}{5059}$, $\frac{1}{1092744}a^{23}-\frac{1}{1092744}a^{22}+\frac{1}{36}a^{21}+\frac{1}{216}a^{20}+\frac{107}{216}a^{19}-\frac{17}{36}a^{18}-\frac{17}{216}a^{17}-\frac{91}{216}a^{16}+\frac{1}{36}a^{15}+\frac{73}{216}a^{14}+\frac{35}{216}a^{13}+\frac{352093}{1092744}a^{12}+\frac{83813}{182124}a^{11}+\frac{95}{216}a^{10}+\frac{13}{216}a^{9}+\frac{5}{36}a^{8}-\frac{103}{216}a^{7}-\frac{5}{216}a^{6}-\frac{13}{36}a^{5}+\frac{23}{216}a^{4}+\frac{85}{216}a^{3}+\frac{5}{36}a^{2}-\frac{5003}{10118}a-\frac{28}{5059}$, $\frac{1}{6556464}a^{24}-\frac{1}{6556464}a^{23}+\frac{1}{1092744}a^{22}-\frac{107}{1296}a^{21}+\frac{107}{1296}a^{20}-\frac{107}{216}a^{19}+\frac{307}{1296}a^{18}-\frac{307}{1296}a^{17}+\frac{91}{216}a^{16}-\frac{251}{1296}a^{15}+\frac{251}{1296}a^{14}+\frac{3083953}{6556464}a^{13}+\frac{539123}{1092744}a^{12}-\frac{2172415}{6556464}a^{11}-\frac{635}{1296}a^{10}-\frac{13}{216}a^{9}-\frac{211}{1296}a^{8}+\frac{211}{1296}a^{7}+\frac{5}{216}a^{6}-\frac{85}{1296}a^{5}+\frac{85}{1296}a^{4}-\frac{85}{216}a^{3}-\frac{1677}{10118}a^{2}+\frac{1677}{10118}a+\frac{28}{5059}$, $\frac{1}{39338784}a^{25}-\frac{1}{39338784}a^{24}+\frac{1}{6556464}a^{23}-\frac{17}{39338784}a^{22}+\frac{539}{7776}a^{21}-\frac{107}{1296}a^{20}+\frac{2467}{7776}a^{19}+\frac{2717}{7776}a^{18}+\frac{307}{1296}a^{17}-\frac{3275}{7776}a^{16}+\frac{683}{7776}a^{15}-\frac{3472511}{39338784}a^{14}-\frac{3103357}{6556464}a^{13}-\frac{13099855}{39338784}a^{12}+\frac{13137439}{39338784}a^{11}+\frac{635}{1296}a^{10}+\frac{1517}{7776}a^{9}+\frac{1075}{7776}a^{8}-\frac{211}{1296}a^{7}+\frac{347}{7776}a^{6}+\frac{2245}{7776}a^{5}-\frac{85}{1296}a^{4}+\frac{65795}{182124}a^{3}-\frac{5087}{182124}a^{2}-\frac{1677}{10118}a+\frac{1111}{5059}$, $\frac{1}{236032704}a^{26}-\frac{1}{236032704}a^{25}+\frac{1}{39338784}a^{24}-\frac{17}{236032704}a^{23}+\frac{17}{236032704}a^{22}-\frac{539}{7776}a^{21}+\frac{10243}{46656}a^{20}+\frac{20861}{46656}a^{19}-\frac{2717}{7776}a^{18}-\frac{11051}{46656}a^{17}-\frac{4501}{46656}a^{16}+\frac{101430913}{236032704}a^{15}+\frac{3453107}{39338784}a^{14}+\frac{39351857}{236032704}a^{13}+\frac{39363295}{236032704}a^{12}-\frac{12989695}{39338784}a^{11}-\frac{21811}{46656}a^{10}-\frac{9293}{46656}a^{9}-\frac{1075}{7776}a^{8}+\frac{347}{46656}a^{7}+\frac{15205}{46656}a^{6}-\frac{2245}{7776}a^{5}-\frac{116329}{1092744}a^{4}+\frac{480577}{1092744}a^{3}+\frac{5087}{182124}a^{2}+\frac{3085}{15177}a+\frac{658}{5059}$, $\frac{1}{1416196224}a^{27}-\frac{1}{1416196224}a^{26}+\frac{1}{236032704}a^{25}-\frac{17}{1416196224}a^{24}+\frac{17}{1416196224}a^{23}-\frac{17}{236032704}a^{22}-\frac{20861}{279936}a^{21}+\frac{20861}{279936}a^{20}-\frac{20861}{46656}a^{19}-\frac{88811}{279936}a^{18}+\frac{88811}{279936}a^{17}-\frac{449312063}{1416196224}a^{16}-\frac{22772749}{236032704}a^{15}+\frac{39351857}{1416196224}a^{14}-\frac{39314273}{1416196224}a^{13}+\frac{39462017}{236032704}a^{12}+\frac{870503}{1416196224}a^{11}-\frac{55949}{279936}a^{10}+\frac{9293}{46656}a^{9}-\frac{61861}{279936}a^{8}+\frac{61861}{279936}a^{7}-\frac{15205}{46656}a^{6}+\frac{2797655}{6556464}a^{5}-\frac{2797655}{6556464}a^{4}-\frac{480577}{1092744}a^{3}+\frac{14519}{30354}a^{2}-\frac{14519}{30354}a-\frac{658}{5059}$, $\frac{1}{8497177344}a^{28}-\frac{1}{8497177344}a^{27}+\frac{1}{1416196224}a^{26}-\frac{17}{8497177344}a^{25}+\frac{17}{8497177344}a^{24}-\frac{17}{1416196224}a^{23}+\frac{73}{8497177344}a^{22}+\frac{20861}{1679616}a^{21}+\frac{25795}{279936}a^{20}+\frac{750997}{1679616}a^{19}+\frac{648683}{1679616}a^{18}-\frac{3281704511}{8497177344}a^{17}+\frac{449292659}{1416196224}a^{16}+\frac{2871744305}{8497177344}a^{15}-\frac{2871706721}{8497177344}a^{14}+\frac{39462017}{1416196224}a^{13}-\frac{1415325721}{8497177344}a^{12}+\frac{1418405017}{8497177344}a^{11}+\frac{9293}{279936}a^{10}-\frac{341797}{1679616}a^{9}+\frac{621733}{1679616}a^{8}-\frac{108517}{279936}a^{7}+\frac{9354119}{39338784}a^{6}-\frac{2797655}{39338784}a^{5}+\frac{1704911}{6556464}a^{4}-\frac{15835}{182124}a^{3}+\frac{46189}{182124}a^{2}+\frac{4730}{15177}a+\frac{591}{5059}$, $\frac{1}{50983064064}a^{29}-\frac{1}{50983064064}a^{28}+\frac{1}{8497177344}a^{27}-\frac{17}{50983064064}a^{26}+\frac{17}{50983064064}a^{25}-\frac{17}{8497177344}a^{24}+\frac{73}{50983064064}a^{23}-\frac{73}{50983064064}a^{22}-\frac{20861}{1679616}a^{21}-\frac{928619}{10077696}a^{20}-\frac{750997}{10077696}a^{19}+\frac{12296453953}{50983064064}a^{18}+\frac{3281685107}{8497177344}a^{17}-\frac{21203591503}{50983064064}a^{16}-\frac{21282257633}{50983064064}a^{15}+\frac{2871854465}{8497177344}a^{14}+\frac{8498047847}{50983064064}a^{13}+\frac{2208793}{50983064064}a^{12}-\frac{1416725401}{8497177344}a^{11}-\frac{341797}{10077696}a^{10}+\frac{2021413}{10077696}a^{9}-\frac{621733}{1679616}a^{8}+\frac{88031687}{236032704}a^{7}-\frac{48692903}{236032704}a^{6}+\frac{2797655}{39338784}a^{5}-\frac{15835}{1092744}a^{4}+\frac{197959}{1092744}a^{3}-\frac{46189}{182124}a^{2}-\frac{9527}{30354}a+\frac{2431}{5059}$, $\frac{1}{1529491921920}a^{30}+\frac{1}{305898384384}a^{29}+\frac{19}{1529491921920}a^{27}-\frac{17}{305898384384}a^{26}-\frac{539}{1529491921920}a^{24}+\frac{73}{305898384384}a^{23}+\frac{1}{302330880}a^{21}+\frac{10828693}{60466176}a^{20}+\frac{6397315547}{305898384384}a^{19}-\frac{539}{7080981120}a^{18}+\frac{1816723}{60466176}a^{17}+\frac{121548995393}{305898384384}a^{16}+\frac{19}{32782320}a^{15}-\frac{11701115}{60466176}a^{14}-\frac{83270851609}{305898384384}a^{13}+\frac{1}{151770}a^{12}-\frac{12094685}{60466176}a^{11}-\frac{12099109}{60466176}a^{10}+\frac{1}{5}a^{9}-\frac{1703594945}{8497177344}a^{8}+\frac{284725607}{1416196224}a^{7}-\frac{1}{5}a^{6}+\frac{8189737}{39338784}a^{5}-\frac{1290703}{6556464}a^{4}+\frac{1}{5}a^{3}-\frac{42509}{182124}a^{2}-\frac{2431}{30354}a-\frac{1}{5}$, $\frac{1}{91\!\cdots\!20}a^{31}-\frac{125315581}{91\!\cdots\!20}a^{30}+\frac{88014187}{10\!\cdots\!88}a^{29}-\frac{8547854741}{91\!\cdots\!20}a^{28}+\frac{48906132341}{91\!\cdots\!20}a^{27}-\frac{1496241179}{10\!\cdots\!88}a^{26}+\frac{145313530381}{91\!\cdots\!20}a^{25}-\frac{804336084301}{91\!\cdots\!20}a^{24}+\frac{6425035651}{10\!\cdots\!88}a^{23}-\frac{623993392421}{91\!\cdots\!20}a^{22}-\frac{10\!\cdots\!01}{18\!\cdots\!80}a^{21}+\frac{52\!\cdots\!81}{18\!\cdots\!84}a^{20}+\frac{19\!\cdots\!57}{50\!\cdots\!40}a^{19}-\frac{27\!\cdots\!11}{91\!\cdots\!20}a^{18}-\frac{80\!\cdots\!45}{18\!\cdots\!84}a^{17}+\frac{13\!\cdots\!23}{50\!\cdots\!40}a^{16}-\frac{11\!\cdots\!29}{91\!\cdots\!20}a^{15}+\frac{10\!\cdots\!89}{18\!\cdots\!84}a^{14}+\frac{23\!\cdots\!37}{50\!\cdots\!40}a^{13}-\frac{59\!\cdots\!91}{91\!\cdots\!20}a^{12}+\frac{86\!\cdots\!95}{18\!\cdots\!84}a^{11}-\frac{33\!\cdots\!23}{10\!\cdots\!60}a^{10}+\frac{261321235252883}{94\!\cdots\!60}a^{9}+\frac{23\!\cdots\!39}{70\!\cdots\!52}a^{8}-\frac{77\!\cdots\!23}{23\!\cdots\!40}a^{7}-\frac{13071201798763}{43\!\cdots\!60}a^{6}+\frac{114539454959701}{327653456425272}a^{5}-\frac{354998423490617}{10\!\cdots\!40}a^{4}-\frac{181068540157}{20225522001560}a^{3}+\frac{199236135670}{505638050039}a^{2}-\frac{1111424224769}{15169141501170}a-\frac{509519377516}{2528190250195}$, $\frac{1}{55\!\cdots\!20}a^{32}-\frac{1}{55\!\cdots\!20}a^{31}-\frac{262300697}{91\!\cdots\!20}a^{30}+\frac{31110785299}{55\!\cdots\!20}a^{29}-\frac{38979806239}{55\!\cdots\!20}a^{28}+\frac{33996092977}{91\!\cdots\!20}a^{27}-\frac{528883350299}{55\!\cdots\!20}a^{26}+\frac{662656706279}{55\!\cdots\!20}a^{25}-\frac{521276630057}{91\!\cdots\!20}a^{24}+\frac{2271087330499}{55\!\cdots\!20}a^{23}-\frac{2845525859119}{55\!\cdots\!20}a^{22}-\frac{45\!\cdots\!03}{55\!\cdots\!20}a^{21}+\frac{18\!\cdots\!41}{91\!\cdots\!20}a^{20}+\frac{91\!\cdots\!29}{55\!\cdots\!20}a^{19}-\frac{24\!\cdots\!77}{55\!\cdots\!20}a^{18}+\frac{32\!\cdots\!99}{91\!\cdots\!20}a^{17}+\frac{23\!\cdots\!11}{55\!\cdots\!20}a^{16}+\frac{23\!\cdots\!57}{55\!\cdots\!20}a^{15}-\frac{40\!\cdots\!59}{91\!\cdots\!20}a^{14}-\frac{12\!\cdots\!91}{55\!\cdots\!20}a^{13}+\frac{50\!\cdots\!83}{55\!\cdots\!20}a^{12}-\frac{53\!\cdots\!81}{91\!\cdots\!20}a^{11}-\frac{27\!\cdots\!83}{62\!\cdots\!40}a^{10}-\frac{10\!\cdots\!73}{25\!\cdots\!20}a^{9}+\frac{24\!\cdots\!09}{10\!\cdots\!80}a^{8}-\frac{674291542989217}{29\!\cdots\!40}a^{7}+\frac{46\!\cdots\!73}{11\!\cdots\!20}a^{6}+\frac{21\!\cdots\!71}{49\!\cdots\!80}a^{5}-\frac{51927339873127}{121353132009360}a^{4}-\frac{222151315454873}{546089094042120}a^{3}+\frac{13141192097653}{45507424503510}a^{2}+\frac{2141258763287}{7584570750585}a+\frac{17338242028}{2528190250195}$, $\frac{1}{33\!\cdots\!20}a^{33}-\frac{1}{33\!\cdots\!20}a^{32}+\frac{1}{55\!\cdots\!20}a^{31}+\frac{9942566167}{33\!\cdots\!20}a^{30}+\frac{323332495001}{33\!\cdots\!20}a^{29}-\frac{45603277361}{55\!\cdots\!20}a^{28}+\frac{1830626741953}{33\!\cdots\!20}a^{27}-\frac{5496652414801}{33\!\cdots\!20}a^{26}+\frac{775255714921}{55\!\cdots\!20}a^{25}-\frac{33268248905273}{33\!\cdots\!20}a^{24}+\frac{23603272131401}{33\!\cdots\!20}a^{23}-\frac{70\!\cdots\!51}{33\!\cdots\!20}a^{22}-\frac{43\!\cdots\!37}{55\!\cdots\!20}a^{21}+\frac{12\!\cdots\!49}{33\!\cdots\!20}a^{20}+\frac{64\!\cdots\!91}{33\!\cdots\!20}a^{19}-\frac{21\!\cdots\!83}{55\!\cdots\!20}a^{18}-\frac{12\!\cdots\!89}{33\!\cdots\!20}a^{17}-\frac{15\!\cdots\!91}{33\!\cdots\!20}a^{16}-\frac{24\!\cdots\!77}{55\!\cdots\!20}a^{15}+\frac{14\!\cdots\!29}{33\!\cdots\!20}a^{14}+\frac{12\!\cdots\!91}{33\!\cdots\!20}a^{13}+\frac{35\!\cdots\!97}{55\!\cdots\!20}a^{12}+\frac{72\!\cdots\!33}{76\!\cdots\!60}a^{11}-\frac{15\!\cdots\!69}{38\!\cdots\!80}a^{10}+\frac{59\!\cdots\!23}{25\!\cdots\!20}a^{9}-\frac{99\!\cdots\!01}{42\!\cdots\!20}a^{8}+\frac{71\!\cdots\!49}{17\!\cdots\!80}a^{7}+\frac{50\!\cdots\!57}{11\!\cdots\!20}a^{6}-\frac{81\!\cdots\!19}{19\!\cdots\!20}a^{5}-\frac{319948188593029}{819133641063180}a^{4}+\frac{123073740639023}{546089094042120}a^{3}-\frac{18290040903871}{91014849007020}a^{2}-\frac{3329385139532}{7584570750585}a+\frac{1219021251933}{2528190250195}$, $\frac{1}{19\!\cdots\!20}a^{34}-\frac{1}{19\!\cdots\!20}a^{33}+\frac{1}{33\!\cdots\!20}a^{32}-\frac{17}{19\!\cdots\!20}a^{31}+\frac{905824429}{39\!\cdots\!44}a^{30}-\frac{161819130041}{33\!\cdots\!20}a^{29}+\frac{993560390857}{19\!\cdots\!20}a^{28}-\frac{1175061804869}{39\!\cdots\!44}a^{27}+\frac{2750925210481}{33\!\cdots\!20}a^{26}-\frac{16890526640897}{19\!\cdots\!20}a^{25}+\frac{19780392606109}{39\!\cdots\!44}a^{24}-\frac{70\!\cdots\!91}{19\!\cdots\!20}a^{23}+\frac{11\!\cdots\!67}{33\!\cdots\!20}a^{22}+\frac{26\!\cdots\!81}{39\!\cdots\!44}a^{21}-\frac{70\!\cdots\!29}{19\!\cdots\!20}a^{20}-\frac{13\!\cdots\!87}{33\!\cdots\!20}a^{19}-\frac{14\!\cdots\!45}{39\!\cdots\!44}a^{18}+\frac{96\!\cdots\!49}{19\!\cdots\!20}a^{17}+\frac{14\!\cdots\!07}{33\!\cdots\!20}a^{16}+\frac{54\!\cdots\!21}{39\!\cdots\!44}a^{15}+\frac{60\!\cdots\!11}{19\!\cdots\!20}a^{14}+\frac{93\!\cdots\!33}{33\!\cdots\!20}a^{13}+\frac{20\!\cdots\!31}{18\!\cdots\!84}a^{12}-\frac{21\!\cdots\!01}{91\!\cdots\!20}a^{11}-\frac{43\!\cdots\!11}{19\!\cdots\!40}a^{10}-\frac{26\!\cdots\!51}{25\!\cdots\!72}a^{9}-\frac{68\!\cdots\!27}{21\!\cdots\!60}a^{8}-\frac{29\!\cdots\!29}{88\!\cdots\!40}a^{7}-\frac{46539042521141}{11\!\cdots\!92}a^{6}+\frac{35\!\cdots\!67}{98\!\cdots\!60}a^{5}-\frac{190436717692637}{819133641063180}a^{4}-\frac{2750596184599}{27304454702106}a^{3}-\frac{1442738591396}{22753712251755}a^{2}-\frac{137178932798}{7584570750585}a-\frac{821763089861}{2528190250195}$, $\frac{1}{11\!\cdots\!20}a^{35}-\frac{1}{11\!\cdots\!20}a^{34}+\frac{1}{19\!\cdots\!20}a^{33}-\frac{17}{11\!\cdots\!20}a^{32}+\frac{17}{11\!\cdots\!20}a^{31}+\frac{2660043871}{19\!\cdots\!20}a^{30}-\frac{3929121828503}{11\!\cdots\!20}a^{29}+\frac{4008923145143}{11\!\cdots\!20}a^{28}-\frac{3958382311271}{19\!\cdots\!20}a^{27}+\frac{66795071088223}{11\!\cdots\!20}a^{26}-\frac{68151693471103}{11\!\cdots\!20}a^{25}-\frac{69\!\cdots\!39}{11\!\cdots\!20}a^{24}+\frac{11\!\cdots\!87}{19\!\cdots\!20}a^{23}-\frac{41\!\cdots\!27}{11\!\cdots\!20}a^{22}+\frac{26\!\cdots\!19}{11\!\cdots\!20}a^{21}+\frac{47\!\cdots\!13}{19\!\cdots\!20}a^{20}-\frac{11\!\cdots\!33}{11\!\cdots\!20}a^{19}+\frac{56\!\cdots\!61}{11\!\cdots\!20}a^{18}-\frac{38\!\cdots\!53}{19\!\cdots\!20}a^{17}-\frac{58\!\cdots\!87}{11\!\cdots\!20}a^{16}+\frac{11\!\cdots\!19}{11\!\cdots\!20}a^{15}+\frac{81\!\cdots\!73}{19\!\cdots\!20}a^{14}-\frac{26\!\cdots\!73}{55\!\cdots\!20}a^{13}-\frac{15\!\cdots\!39}{55\!\cdots\!20}a^{12}-\frac{42\!\cdots\!83}{91\!\cdots\!20}a^{11}+\frac{43\!\cdots\!73}{15\!\cdots\!20}a^{10}+\frac{77\!\cdots\!59}{25\!\cdots\!20}a^{9}-\frac{46\!\cdots\!69}{23\!\cdots\!40}a^{8}+\frac{14\!\cdots\!27}{70\!\cdots\!20}a^{7}-\frac{22\!\cdots\!79}{11\!\cdots\!20}a^{6}+\frac{412767828890339}{10\!\cdots\!40}a^{5}-\frac{12\!\cdots\!97}{32\!\cdots\!20}a^{4}+\frac{168629737877509}{546089094042120}a^{3}+\frac{726373696042}{7584570750585}a^{2}+\frac{422973765376}{2528190250195}a+\frac{1027499163912}{2528190250195}$, $\frac{1}{71\!\cdots\!20}a^{36}-\frac{1}{71\!\cdots\!20}a^{35}+\frac{1}{11\!\cdots\!20}a^{34}-\frac{17}{71\!\cdots\!20}a^{33}+\frac{17}{71\!\cdots\!20}a^{32}-\frac{17}{11\!\cdots\!20}a^{31}-\frac{1939306515191}{71\!\cdots\!20}a^{30}-\frac{21472376059657}{71\!\cdots\!20}a^{29}+\frac{1962640580617}{11\!\cdots\!20}a^{28}-\frac{107501884687169}{71\!\cdots\!20}a^{27}+\frac{365030393010497}{71\!\cdots\!20}a^{26}-\frac{70\!\cdots\!67}{71\!\cdots\!20}a^{25}+\frac{12\!\cdots\!99}{11\!\cdots\!20}a^{24}-\frac{42\!\cdots\!27}{71\!\cdots\!20}a^{23}+\frac{11\!\cdots\!07}{71\!\cdots\!20}a^{22}+\frac{51\!\cdots\!61}{11\!\cdots\!20}a^{21}+\frac{69\!\cdots\!67}{71\!\cdots\!20}a^{20}-\frac{29\!\cdots\!47}{71\!\cdots\!20}a^{19}-\frac{56\!\cdots\!81}{11\!\cdots\!20}a^{18}+\frac{17\!\cdots\!53}{71\!\cdots\!20}a^{17}+\frac{24\!\cdots\!67}{71\!\cdots\!20}a^{16}-\frac{21\!\cdots\!79}{11\!\cdots\!20}a^{15}+\frac{10\!\cdots\!27}{33\!\cdots\!20}a^{14}-\frac{83\!\cdots\!67}{33\!\cdots\!20}a^{13}-\frac{11\!\cdots\!61}{55\!\cdots\!20}a^{12}-\frac{19\!\cdots\!57}{42\!\cdots\!20}a^{11}+\frac{14\!\cdots\!61}{12\!\cdots\!60}a^{10}+\frac{13\!\cdots\!97}{31\!\cdots\!40}a^{9}-\frac{27\!\cdots\!57}{10\!\cdots\!80}a^{8}+\frac{23\!\cdots\!19}{58\!\cdots\!60}a^{7}+\frac{14\!\cdots\!31}{29\!\cdots\!80}a^{6}-\frac{32\!\cdots\!21}{98\!\cdots\!60}a^{5}-\frac{119392997822933}{546089094042120}a^{4}-\frac{47963064145007}{136522273510530}a^{3}-\frac{10831907219386}{22753712251755}a^{2}-\frac{396876624241}{15169141501170}a-\frac{949039810578}{2528190250195}$, $\frac{1}{42\!\cdots\!20}a^{37}-\frac{1}{42\!\cdots\!20}a^{36}+\frac{1}{71\!\cdots\!20}a^{35}-\frac{17}{42\!\cdots\!20}a^{34}+\frac{17}{42\!\cdots\!20}a^{33}-\frac{17}{71\!\cdots\!20}a^{32}+\frac{73}{42\!\cdots\!20}a^{31}-\frac{11578354513993}{42\!\cdots\!20}a^{30}-\frac{19446888727223}{71\!\cdots\!20}a^{29}+\frac{58789559796607}{42\!\cdots\!20}a^{28}-\frac{572726094531967}{42\!\cdots\!20}a^{27}-\frac{68\!\cdots\!87}{42\!\cdots\!20}a^{26}+\frac{11\!\cdots\!63}{71\!\cdots\!20}a^{25}-\frac{40\!\cdots\!63}{42\!\cdots\!20}a^{24}+\frac{11\!\cdots\!87}{42\!\cdots\!20}a^{23}-\frac{19\!\cdots\!23}{71\!\cdots\!20}a^{22}-\frac{23\!\cdots\!77}{42\!\cdots\!20}a^{21}-\frac{40\!\cdots\!67}{42\!\cdots\!20}a^{20}+\frac{25\!\cdots\!03}{71\!\cdots\!20}a^{19}+\frac{32\!\cdots\!17}{42\!\cdots\!20}a^{18}+\frac{10\!\cdots\!67}{42\!\cdots\!20}a^{17}+\frac{26\!\cdots\!17}{71\!\cdots\!20}a^{16}+\frac{69\!\cdots\!83}{19\!\cdots\!20}a^{15}+\frac{65\!\cdots\!33}{19\!\cdots\!20}a^{14}+\frac{25\!\cdots\!03}{33\!\cdots\!20}a^{13}-\frac{10\!\cdots\!43}{91\!\cdots\!20}a^{12}-\frac{22\!\cdots\!33}{91\!\cdots\!20}a^{11}+\frac{24\!\cdots\!39}{50\!\cdots\!40}a^{10}+\frac{25\!\cdots\!33}{70\!\cdots\!20}a^{9}-\frac{70\!\cdots\!39}{14\!\cdots\!40}a^{8}-\frac{75\!\cdots\!39}{23\!\cdots\!40}a^{7}+\frac{29\!\cdots\!37}{19\!\cdots\!20}a^{6}+\frac{16\!\cdots\!89}{65\!\cdots\!40}a^{5}-\frac{540377386372429}{10\!\cdots\!40}a^{4}+\frac{29744028342007}{91014849007020}a^{3}+\frac{6664301308753}{30338283002340}a^{2}+\frac{2234592350983}{7584570750585}a-\frac{873195350961}{2528190250195}$, $\frac{1}{25\!\cdots\!20}a^{38}-\frac{1}{25\!\cdots\!20}a^{37}+\frac{1}{42\!\cdots\!20}a^{36}-\frac{17}{25\!\cdots\!20}a^{35}+\frac{17}{25\!\cdots\!20}a^{34}-\frac{17}{42\!\cdots\!20}a^{33}+\frac{73}{25\!\cdots\!20}a^{32}-\frac{73}{25\!\cdots\!20}a^{31}-\frac{2061090105911}{42\!\cdots\!20}a^{30}+\frac{417585930048127}{25\!\cdots\!20}a^{29}-\frac{479418633227647}{25\!\cdots\!20}a^{28}-\frac{67\!\cdots\!59}{25\!\cdots\!20}a^{27}+\frac{10\!\cdots\!23}{42\!\cdots\!20}a^{26}-\frac{41\!\cdots\!23}{25\!\cdots\!20}a^{25}+\frac{11\!\cdots\!59}{25\!\cdots\!20}a^{24}-\frac{19\!\cdots\!63}{42\!\cdots\!20}a^{23}+\frac{71\!\cdots\!43}{25\!\cdots\!20}a^{22}-\frac{10\!\cdots\!19}{25\!\cdots\!20}a^{21}-\frac{16\!\cdots\!57}{42\!\cdots\!20}a^{20}-\frac{21\!\cdots\!43}{25\!\cdots\!20}a^{19}-\frac{11\!\cdots\!81}{25\!\cdots\!20}a^{18}-\frac{10\!\cdots\!63}{42\!\cdots\!20}a^{17}-\frac{73\!\cdots\!97}{11\!\cdots\!20}a^{16}+\frac{52\!\cdots\!01}{11\!\cdots\!20}a^{15}+\frac{23\!\cdots\!83}{19\!\cdots\!20}a^{14}+\frac{18\!\cdots\!77}{55\!\cdots\!20}a^{13}-\frac{77\!\cdots\!01}{55\!\cdots\!20}a^{12}+\frac{22\!\cdots\!87}{91\!\cdots\!20}a^{11}+\frac{14\!\cdots\!83}{15\!\cdots\!20}a^{10}+\frac{11\!\cdots\!11}{25\!\cdots\!20}a^{9}-\frac{58\!\cdots\!97}{11\!\cdots\!20}a^{8}+\frac{34\!\cdots\!07}{70\!\cdots\!20}a^{7}+\frac{56\!\cdots\!19}{11\!\cdots\!20}a^{6}+\frac{226852560493853}{546089094042120}a^{5}-\frac{13\!\cdots\!63}{32\!\cdots\!20}a^{4}+\frac{258148281924317}{546089094042120}a^{3}+\frac{1270008728177}{5056380500390}a^{2}-\frac{2861580985633}{7584570750585}a-\frac{1042485312378}{2528190250195}$, $\frac{1}{15\!\cdots\!20}a^{39}-\frac{1}{15\!\cdots\!20}a^{38}+\frac{1}{25\!\cdots\!20}a^{37}-\frac{17}{15\!\cdots\!20}a^{36}+\frac{17}{15\!\cdots\!20}a^{35}-\frac{17}{25\!\cdots\!20}a^{34}+\frac{73}{15\!\cdots\!20}a^{33}-\frac{73}{15\!\cdots\!20}a^{32}+\frac{73}{25\!\cdots\!20}a^{31}+\frac{413201720782207}{15\!\cdots\!20}a^{30}+\frac{10\!\cdots\!93}{15\!\cdots\!20}a^{29}-\frac{78\!\cdots\!23}{15\!\cdots\!20}a^{28}+\frac{21\!\cdots\!63}{25\!\cdots\!20}a^{27}-\frac{60\!\cdots\!03}{15\!\cdots\!20}a^{26}+\frac{13\!\cdots\!83}{15\!\cdots\!20}a^{25}-\frac{38\!\cdots\!23}{25\!\cdots\!20}a^{24}+\frac{79\!\cdots\!63}{15\!\cdots\!20}a^{23}-\frac{57\!\cdots\!43}{15\!\cdots\!20}a^{22}+\frac{12\!\cdots\!23}{25\!\cdots\!20}a^{21}-\frac{67\!\cdots\!03}{15\!\cdots\!20}a^{20}-\frac{37\!\cdots\!97}{15\!\cdots\!20}a^{19}-\frac{37\!\cdots\!83}{25\!\cdots\!20}a^{18}-\frac{70\!\cdots\!17}{71\!\cdots\!20}a^{17}+\frac{33\!\cdots\!97}{71\!\cdots\!20}a^{16}-\frac{50\!\cdots\!97}{11\!\cdots\!20}a^{15}-\frac{11\!\cdots\!83}{33\!\cdots\!20}a^{14}-\frac{12\!\cdots\!77}{33\!\cdots\!20}a^{13}+\frac{27\!\cdots\!97}{55\!\cdots\!20}a^{12}+\frac{29\!\cdots\!93}{15\!\cdots\!20}a^{11}-\frac{60\!\cdots\!23}{15\!\cdots\!20}a^{10}-\frac{42\!\cdots\!31}{21\!\cdots\!60}a^{9}+\frac{83\!\cdots\!77}{42\!\cdots\!20}a^{8}-\frac{13\!\cdots\!47}{70\!\cdots\!20}a^{7}+\frac{18\!\cdots\!99}{98\!\cdots\!60}a^{6}-\frac{33\!\cdots\!13}{19\!\cdots\!20}a^{5}+\frac{390290038496083}{32\!\cdots\!20}a^{4}-\frac{11335205325797}{45507424503510}a^{3}+\frac{23884678628309}{91014849007020}a^{2}-\frac{900958631459}{15169141501170}a-\frac{213464336940}{505638050039}$ Copy content Toggle raw display

sage: K.integral_basis()
 
gp: K.zk
 
magma: IntegralBasis(K);
 
oscar: basis(OK)
 

Monogenic:  Not computed
Index:  $1$
Inessential primes:  None

Class group and class number

not computed

sage: K.class_group().invariants()
 
gp: K.clgp
 
magma: ClassGroup(K);
 
oscar: class_group(K)
 

Unit group

sage: UK = K.unit_group()
 
magma: UK, fUK := UnitGroup(K);
 
oscar: UK, fUK = unit_group(OK)
 
Rank:  $19$
sage: UK.rank()
 
gp: K.fu
 
magma: UnitRank(K);
 
oscar: rank(UK)
 
Torsion generator:   \( -\frac{218264857259}{308115470711179206833209344} a^{39} + \frac{2400913429849}{1540577353555896034166046720} a^{38} + \frac{3710502573403}{308115470711179206833209344} a^{36} + \frac{6329680860511}{1540577353555896034166046720} a^{35} - \frac{15933334579907}{308115470711179206833209344} a^{33} - \frac{626201875476071}{1540577353555896034166046720} a^{32} + \frac{43229811565271}{1540577353555896034166046720} a^{30} + \frac{9278220817222831}{1540577353555896034166046720} a^{29} + \frac{6410220592839571}{308115470711179206833209344} a^{28} - \frac{6329680860511}{1188717093793129655992320} a^{27} - \frac{22470148789956791}{1540577353555896034166046720} a^{26} - \frac{108973750078272707}{308115470711179206833209344} a^{25} - \frac{2400913429849}{5503319878671896555520} a^{24} - \frac{1622103167090866049}{1540577353555896034166046720} a^{23} + \frac{467946103277288683}{308115470711179206833209344} a^{22} + \frac{218264857259}{25478332771629150720} a^{21} + \frac{6410220592839571}{304522109815357982638080} a^{20} - \frac{3961389797343948563}{308115470711179206833209344} a^{19} - \frac{218264857259}{4246388795271525120} a^{18} - \frac{3455108899540528769}{7132302562758777935953920} a^{17} - \frac{97241140941172421}{237743418758625931198464} a^{16} - \frac{4147032287921}{4246388795271525120} a^{15} + \frac{121794191263951849}{33019919272031379333120} a^{14} + \frac{12461832025202605}{1100663975734379311104} a^{13} + \frac{117644758062601}{4246388795271525120} a^{12} + \frac{6410220592839571}{152869996629774904320} a^{11} - \frac{530601867996629}{5095666554325830144} a^{10} - \frac{218264857259}{839373155815680} a^{9} - \frac{1605271176}{2528190250195} a^{8} - \frac{15933334579907}{23591048862619584} a^{7} + \frac{117644758062601}{19659207385516320} a^{6} + \frac{3710502573403}{109217818808424} a^{4} - \frac{4147032287921}{91014849007020} a^{3} - \frac{218264857259}{505638050039} a - \frac{1309589143554}{2528190250195} \)  (order $66$) Copy content Toggle raw display
sage: UK.torsion_generator()
 
gp: K.tu[2]
 
magma: K!f(TU.1) where TU,f is TorsionUnitGroup(K);
 
oscar: torsion_units_generator(OK)
 
Fundamental units:  not computed
sage: UK.fundamental_units()
 
gp: K.fu
 
magma: [K|fUK(g): g in Generators(UK)];
 
oscar: [K(fUK(a)) for a in gens(UK)]
 
Regulator:  not computed
sage: K.regulator()
 
gp: K.reg
 
magma: Regulator(K);
 
oscar: regulator(K)
 

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr $ not computed \end{aligned}\]

# self-contained SageMath code snippet to compute the analytic class number formula
 
x = polygen(QQ); K.<a> = NumberField(x^40 - x^39 + 6*x^38 - 17*x^37 + 17*x^36 - 102*x^35 + 73*x^34 - 73*x^33 + 438*x^32 + 2431*x^31 - 2431*x^30 - 14783*x^29 - 27726*x^28 - 119119*x^27 + 156703*x^26 - 53754*x^25 + 2550119*x^24 + 529177*x^23 + 6902634*x^22 - 17622319*x^21 - 42843857*x^20 - 105733914*x^19 + 248494824*x^18 + 114302232*x^17 + 3304954224*x^16 - 417991104*x^15 + 7311135168*x^14 - 33345696384*x^13 - 46569033216*x^12 - 148978579968*x^11 - 146993273856*x^10 + 881959643136*x^9 + 953430663168*x^8 - 953430663168*x^7 + 5720583979008*x^6 - 47958868426752*x^5 + 47958868426752*x^4 - 287753210560512*x^3 + 609359740010496*x^2 - 609359740010496*x + 3656158440062976)
 
DK = K.disc(); r1,r2 = K.signature(); RK = K.regulator(); RR = RK.parent()
 
hK = K.class_number(); wK = K.unit_group().torsion_generator().order();
 
2^r1 * (2*RR(pi))^r2 * RK * hK / (wK * RR(sqrt(abs(DK))))
 
# self-contained Pari/GP code snippet to compute the analytic class number formula
 
K = bnfinit(x^40 - x^39 + 6*x^38 - 17*x^37 + 17*x^36 - 102*x^35 + 73*x^34 - 73*x^33 + 438*x^32 + 2431*x^31 - 2431*x^30 - 14783*x^29 - 27726*x^28 - 119119*x^27 + 156703*x^26 - 53754*x^25 + 2550119*x^24 + 529177*x^23 + 6902634*x^22 - 17622319*x^21 - 42843857*x^20 - 105733914*x^19 + 248494824*x^18 + 114302232*x^17 + 3304954224*x^16 - 417991104*x^15 + 7311135168*x^14 - 33345696384*x^13 - 46569033216*x^12 - 148978579968*x^11 - 146993273856*x^10 + 881959643136*x^9 + 953430663168*x^8 - 953430663168*x^7 + 5720583979008*x^6 - 47958868426752*x^5 + 47958868426752*x^4 - 287753210560512*x^3 + 609359740010496*x^2 - 609359740010496*x + 3656158440062976, 1);
 
[polcoeff (lfunrootres (lfuncreate (K))[1][1][2], -1), 2^K.r1 * (2*Pi)^K.r2 * K.reg * K.no / (K.tu[1] * sqrt (abs (K.disc)))]
 
/* self-contained Magma code snippet to compute the analytic class number formula */
 
Qx<x> := PolynomialRing(QQ); K<a> := NumberField(x^40 - x^39 + 6*x^38 - 17*x^37 + 17*x^36 - 102*x^35 + 73*x^34 - 73*x^33 + 438*x^32 + 2431*x^31 - 2431*x^30 - 14783*x^29 - 27726*x^28 - 119119*x^27 + 156703*x^26 - 53754*x^25 + 2550119*x^24 + 529177*x^23 + 6902634*x^22 - 17622319*x^21 - 42843857*x^20 - 105733914*x^19 + 248494824*x^18 + 114302232*x^17 + 3304954224*x^16 - 417991104*x^15 + 7311135168*x^14 - 33345696384*x^13 - 46569033216*x^12 - 148978579968*x^11 - 146993273856*x^10 + 881959643136*x^9 + 953430663168*x^8 - 953430663168*x^7 + 5720583979008*x^6 - 47958868426752*x^5 + 47958868426752*x^4 - 287753210560512*x^3 + 609359740010496*x^2 - 609359740010496*x + 3656158440062976);
 
OK := Integers(K); DK := Discriminant(OK);
 
UK, fUK := UnitGroup(OK); clK, fclK := ClassGroup(OK);
 
r1,r2 := Signature(K); RK := Regulator(K); RR := Parent(RK);
 
hK := #clK; wK := #TorsionSubgroup(UK);
 
2^r1 * (2*Pi(RR))^r2 * RK * hK / (wK * Sqrt(RR!Abs(DK)));
 
# self-contained Oscar code snippet to compute the analytic class number formula
 
Qx, x = PolynomialRing(QQ); K, a = NumberField(x^40 - x^39 + 6*x^38 - 17*x^37 + 17*x^36 - 102*x^35 + 73*x^34 - 73*x^33 + 438*x^32 + 2431*x^31 - 2431*x^30 - 14783*x^29 - 27726*x^28 - 119119*x^27 + 156703*x^26 - 53754*x^25 + 2550119*x^24 + 529177*x^23 + 6902634*x^22 - 17622319*x^21 - 42843857*x^20 - 105733914*x^19 + 248494824*x^18 + 114302232*x^17 + 3304954224*x^16 - 417991104*x^15 + 7311135168*x^14 - 33345696384*x^13 - 46569033216*x^12 - 148978579968*x^11 - 146993273856*x^10 + 881959643136*x^9 + 953430663168*x^8 - 953430663168*x^7 + 5720583979008*x^6 - 47958868426752*x^5 + 47958868426752*x^4 - 287753210560512*x^3 + 609359740010496*x^2 - 609359740010496*x + 3656158440062976);
 
OK = ring_of_integers(K); DK = discriminant(OK);
 
UK, fUK = unit_group(OK); clK, fclK = class_group(OK);
 
r1,r2 = signature(K); RK = regulator(K); RR = parent(RK);
 
hK = order(clK); wK = torsion_units_order(K);
 
2^r1 * (2*pi)^r2 * RK * hK / (wK * sqrt(RR(abs(DK))))
 

Galois group

$C_2^2\times C_{10}$ (as 40T7):

sage: K.galois_group(type='pari')
 
gp: polgalois(K.pol)
 
magma: G = GaloisGroup(K);
 
oscar: G, Gtx = galois_group(K); G, transitive_group_identification(G)
 
An abelian group of order 40
The 40 conjugacy class representatives for $C_2^2\times C_{10}$
Character table for $C_2^2\times C_{10}$ is not computed

Intermediate fields

\(\Q(\sqrt{-23}) \), \(\Q(\sqrt{33}) \), \(\Q(\sqrt{-759}) \), \(\Q(\sqrt{-3}) \), \(\Q(\sqrt{69}) \), \(\Q(\sqrt{-11}) \), \(\Q(\sqrt{253}) \), \(\Q(\sqrt{-23}, \sqrt{33})\), \(\Q(\sqrt{-3}, \sqrt{-23})\), \(\Q(\sqrt{-11}, \sqrt{-23})\), \(\Q(\sqrt{-3}, \sqrt{-11})\), \(\Q(\sqrt{33}, \sqrt{69})\), \(\Q(\sqrt{-3}, \sqrt{253})\), \(\Q(\sqrt{-11}, \sqrt{69})\), \(\Q(\zeta_{11})^+\), 8.0.331869318561.5, 10.0.1379687283212183.1, \(\Q(\zeta_{33})^+\), 10.0.3687904108026165159.1, 10.0.52089208083.1, 10.10.335264009820560469.1, \(\Q(\zeta_{11})\), 10.10.15176560115334013.1, 20.0.13600636709996264858725830959545495281.1, 20.0.112401956280960866601039925285499961.1, 20.0.230327976934347149972494554684169.1, \(\Q(\zeta_{33})\), 20.20.13600636709996264858725830959545495281.1, 20.0.13600636709996264858725830959545495281.2, 20.0.13600636709996264858725830959545495281.3

Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.

sage: K.subfields()[1:-1]
 
gp: L = nfsubfields(K); L[2..length(b)]
 
magma: L := Subfields(K); L[2..#L];
 
oscar: subfields(K)[2:end-1]
 

Frobenius cycle types

$p$ $2$ $3$ $5$ $7$ $11$ $13$ $17$ $19$ $23$ $29$ $31$ $37$ $41$ $43$ $47$ $53$ $59$
Cycle type ${\href{/padicField/2.10.0.1}{10} }^{4}$ R ${\href{/padicField/5.10.0.1}{10} }^{4}$ ${\href{/padicField/7.10.0.1}{10} }^{4}$ R ${\href{/padicField/13.10.0.1}{10} }^{4}$ ${\href{/padicField/17.10.0.1}{10} }^{4}$ ${\href{/padicField/19.10.0.1}{10} }^{4}$ R ${\href{/padicField/29.10.0.1}{10} }^{4}$ ${\href{/padicField/31.5.0.1}{5} }^{8}$ ${\href{/padicField/37.10.0.1}{10} }^{4}$ ${\href{/padicField/41.10.0.1}{10} }^{4}$ ${\href{/padicField/43.2.0.1}{2} }^{20}$ ${\href{/padicField/47.10.0.1}{10} }^{4}$ ${\href{/padicField/53.10.0.1}{10} }^{4}$ ${\href{/padicField/59.10.0.1}{10} }^{4}$

In the table, R denotes a ramified prime. Cycle lengths which are repeated in a cycle type are indicated by exponents.

# to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7$ in Sage:
 
p = 7; [(e, pr.norm().valuation(p)) for pr,e in K.factor(p)]
 
\\ to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7$ in Pari:
 
p = 7; pfac = idealprimedec(K, p); vector(length(pfac), j, [pfac[j][3], pfac[j][4]])
 
// to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7 in Magma:
 
p := 7; [<pr[2], Valuation(Norm(pr[1]), p)> : pr in Factorization(p*Integers(K))];
 
# to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7$ in Oscar:
 
p = 7; pfac = factor(ideal(ring_of_integers(K), p)); [(e, valuation(norm(pr),p)) for (pr,e) in pfac]
 

Local algebras for ramified primes

$p$LabelPolynomial $e$ $f$ $c$ Galois group Slope content
\(3\) Copy content Toggle raw display 3.10.5.2$x^{10} + 15 x^{8} + 94 x^{6} + 2 x^{5} + 210 x^{4} - 60 x^{3} + 229 x^{2} + 94 x + 364$$2$$5$$5$$C_{10}$$[\ ]_{2}^{5}$
3.10.5.2$x^{10} + 15 x^{8} + 94 x^{6} + 2 x^{5} + 210 x^{4} - 60 x^{3} + 229 x^{2} + 94 x + 364$$2$$5$$5$$C_{10}$$[\ ]_{2}^{5}$
3.10.5.2$x^{10} + 15 x^{8} + 94 x^{6} + 2 x^{5} + 210 x^{4} - 60 x^{3} + 229 x^{2} + 94 x + 364$$2$$5$$5$$C_{10}$$[\ ]_{2}^{5}$
3.10.5.2$x^{10} + 15 x^{8} + 94 x^{6} + 2 x^{5} + 210 x^{4} - 60 x^{3} + 229 x^{2} + 94 x + 364$$2$$5$$5$$C_{10}$$[\ ]_{2}^{5}$
\(11\) Copy content Toggle raw display 11.20.18.1$x^{20} + 70 x^{19} + 2225 x^{18} + 42420 x^{17} + 539670 x^{16} + 4821684 x^{15} + 31004730 x^{14} + 144683280 x^{13} + 488310165 x^{12} + 1177567510 x^{11} + 1996241675 x^{10} + 2355135790 x^{9} + 1953262935 x^{8} + 1157863560 x^{7} + 500734950 x^{6} + 191763012 x^{5} + 243790230 x^{4} + 806750280 x^{3} + 2014356815 x^{2} + 2999040310 x + 2009802620$$10$$2$$18$20T3$[\ ]_{10}^{2}$
11.20.18.1$x^{20} + 70 x^{19} + 2225 x^{18} + 42420 x^{17} + 539670 x^{16} + 4821684 x^{15} + 31004730 x^{14} + 144683280 x^{13} + 488310165 x^{12} + 1177567510 x^{11} + 1996241675 x^{10} + 2355135790 x^{9} + 1953262935 x^{8} + 1157863560 x^{7} + 500734950 x^{6} + 191763012 x^{5} + 243790230 x^{4} + 806750280 x^{3} + 2014356815 x^{2} + 2999040310 x + 2009802620$$10$$2$$18$20T3$[\ ]_{10}^{2}$
\(23\) Copy content Toggle raw display 23.4.2.1$x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
23.4.2.1$x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
23.4.2.1$x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
23.4.2.1$x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
23.4.2.1$x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
23.4.2.1$x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
23.4.2.1$x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
23.4.2.1$x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
23.4.2.1$x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
23.4.2.1$x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$