Properties

Label 45.45.145...625.2
Degree $45$
Signature $[45, 0]$
Discriminant $1.453\times 10^{128}$
Root discriminant \(704.77\)
Ramified primes $3,5,7$
Class number not computed
Class group not computed
Galois group $C_{45}$ (as 45T1)

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Normalized defining polynomial

sage: x = polygen(QQ); K.<a> = NumberField(x^45 - 405*x^43 - 45*x^42 + 74565*x^41 + 13986*x^40 - 8290800*x^39 - 1937610*x^38 + 623822085*x^37 + 158343200*x^36 - 33730092612*x^35 - 8501973165*x^34 + 1358280567105*x^33 + 315527932755*x^32 - 41656181730075*x^31 - 8257524539733*x^30 + 986564158362990*x^29 + 151291718024085*x^28 - 18188682238507875*x^27 - 1837307213515305*x^26 + 261951082234160256*x^25 + 11633106453685350*x^24 - 2946259043332552305*x^23 + 39719938240377450*x^22 + 25786532715466797195*x^21 - 1805631856520318496*x^20 - 174433501954113158925*x^19 + 21474396909776230700*x^18 + 902723065221863783160*x^17 - 154718694923268688020*x^16 - 3523794539226841295061*x^15 + 755660668535950676940*x^14 + 10175405955078415341510*x^13 - 2572756413109899568440*x^12 - 21151381993350223213305*x^11 + 6092956812785525217882*x^10 + 30403883242511231332790*x^9 - 9799931675663506270395*x^8 - 28334864017939625412120*x^7 + 10152119383093656646320*x^6 + 15176238217723477388907*x^5 - 6060909987353410350210*x^4 - 3421782109383146916285*x^3 + 1568220560944780065255*x^2 - 73641665210792649300*x - 1914182976156359651)
 
gp: K = bnfinit(y^45 - 405*y^43 - 45*y^42 + 74565*y^41 + 13986*y^40 - 8290800*y^39 - 1937610*y^38 + 623822085*y^37 + 158343200*y^36 - 33730092612*y^35 - 8501973165*y^34 + 1358280567105*y^33 + 315527932755*y^32 - 41656181730075*y^31 - 8257524539733*y^30 + 986564158362990*y^29 + 151291718024085*y^28 - 18188682238507875*y^27 - 1837307213515305*y^26 + 261951082234160256*y^25 + 11633106453685350*y^24 - 2946259043332552305*y^23 + 39719938240377450*y^22 + 25786532715466797195*y^21 - 1805631856520318496*y^20 - 174433501954113158925*y^19 + 21474396909776230700*y^18 + 902723065221863783160*y^17 - 154718694923268688020*y^16 - 3523794539226841295061*y^15 + 755660668535950676940*y^14 + 10175405955078415341510*y^13 - 2572756413109899568440*y^12 - 21151381993350223213305*y^11 + 6092956812785525217882*y^10 + 30403883242511231332790*y^9 - 9799931675663506270395*y^8 - 28334864017939625412120*y^7 + 10152119383093656646320*y^6 + 15176238217723477388907*y^5 - 6060909987353410350210*y^4 - 3421782109383146916285*y^3 + 1568220560944780065255*y^2 - 73641665210792649300*y - 1914182976156359651, 1)
 
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^45 - 405*x^43 - 45*x^42 + 74565*x^41 + 13986*x^40 - 8290800*x^39 - 1937610*x^38 + 623822085*x^37 + 158343200*x^36 - 33730092612*x^35 - 8501973165*x^34 + 1358280567105*x^33 + 315527932755*x^32 - 41656181730075*x^31 - 8257524539733*x^30 + 986564158362990*x^29 + 151291718024085*x^28 - 18188682238507875*x^27 - 1837307213515305*x^26 + 261951082234160256*x^25 + 11633106453685350*x^24 - 2946259043332552305*x^23 + 39719938240377450*x^22 + 25786532715466797195*x^21 - 1805631856520318496*x^20 - 174433501954113158925*x^19 + 21474396909776230700*x^18 + 902723065221863783160*x^17 - 154718694923268688020*x^16 - 3523794539226841295061*x^15 + 755660668535950676940*x^14 + 10175405955078415341510*x^13 - 2572756413109899568440*x^12 - 21151381993350223213305*x^11 + 6092956812785525217882*x^10 + 30403883242511231332790*x^9 - 9799931675663506270395*x^8 - 28334864017939625412120*x^7 + 10152119383093656646320*x^6 + 15176238217723477388907*x^5 - 6060909987353410350210*x^4 - 3421782109383146916285*x^3 + 1568220560944780065255*x^2 - 73641665210792649300*x - 1914182976156359651);
 
oscar: Qx, x = PolynomialRing(QQ); K, a = NumberField(x^45 - 405*x^43 - 45*x^42 + 74565*x^41 + 13986*x^40 - 8290800*x^39 - 1937610*x^38 + 623822085*x^37 + 158343200*x^36 - 33730092612*x^35 - 8501973165*x^34 + 1358280567105*x^33 + 315527932755*x^32 - 41656181730075*x^31 - 8257524539733*x^30 + 986564158362990*x^29 + 151291718024085*x^28 - 18188682238507875*x^27 - 1837307213515305*x^26 + 261951082234160256*x^25 + 11633106453685350*x^24 - 2946259043332552305*x^23 + 39719938240377450*x^22 + 25786532715466797195*x^21 - 1805631856520318496*x^20 - 174433501954113158925*x^19 + 21474396909776230700*x^18 + 902723065221863783160*x^17 - 154718694923268688020*x^16 - 3523794539226841295061*x^15 + 755660668535950676940*x^14 + 10175405955078415341510*x^13 - 2572756413109899568440*x^12 - 21151381993350223213305*x^11 + 6092956812785525217882*x^10 + 30403883242511231332790*x^9 - 9799931675663506270395*x^8 - 28334864017939625412120*x^7 + 10152119383093656646320*x^6 + 15176238217723477388907*x^5 - 6060909987353410350210*x^4 - 3421782109383146916285*x^3 + 1568220560944780065255*x^2 - 73641665210792649300*x - 1914182976156359651)
 

\( x^{45} - 405 x^{43} - 45 x^{42} + 74565 x^{41} + 13986 x^{40} - 8290800 x^{39} - 1937610 x^{38} + \cdots - 19\!\cdots\!51 \) Copy content Toggle raw display

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

Invariants

Degree:  $45$
sage: K.degree()
 
gp: poldegree(K.pol)
 
magma: Degree(K);
 
oscar: degree(K)
 
Signature:  $[45, 0]$
sage: K.signature()
 
gp: K.sign
 
magma: Signature(K);
 
oscar: signature(K)
 
Discriminant:   \(145\!\cdots\!625\) \(\medspace = 3^{110}\cdot 5^{72}\cdot 7^{30}\) 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:  \(704.77\)
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:  $3^{22/9}5^{8/5}7^{2/3}\approx 704.769499459809$
Ramified primes:   \(3\), \(5\), \(7\) 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:  \(\Q\)
$\card{ \Gal(K/\Q) }$:  $45$
sage: K.automorphisms()
 
magma: Automorphisms(K);
 
oscar: automorphisms(K)
 
This field is Galois and abelian over $\Q$.
Conductor:  \(4725=3^{3}\cdot 5^{2}\cdot 7\)
Dirichlet character group:    $\lbrace$$\chi_{4725}(4096,·)$, $\chi_{4725}(1,·)$, $\chi_{4725}(3586,·)$, $\chi_{4725}(1411,·)$, $\chi_{4725}(4246,·)$, $\chi_{4725}(3466,·)$, $\chi_{4725}(2956,·)$, $\chi_{4725}(781,·)$, $\chi_{4725}(2836,·)$, $\chi_{4725}(2326,·)$, $\chi_{4725}(151,·)$, $\chi_{4725}(2671,·)$, $\chi_{4725}(2206,·)$, $\chi_{4725}(1696,·)$, $\chi_{4725}(3931,·)$, $\chi_{4725}(1576,·)$, $\chi_{4725}(1066,·)$, $\chi_{4725}(946,·)$, $\chi_{4725}(4531,·)$, $\chi_{4725}(2356,·)$, $\chi_{4725}(436,·)$, $\chi_{4725}(4411,·)$, $\chi_{4725}(316,·)$, $\chi_{4725}(3901,·)$, $\chi_{4725}(1726,·)$, $\chi_{4725}(3616,·)$, $\chi_{4725}(3781,·)$, $\chi_{4725}(3271,·)$, $\chi_{4725}(1096,·)$, $\chi_{4725}(3151,·)$, $\chi_{4725}(2641,·)$, $\chi_{4725}(466,·)$, $\chi_{4725}(121,·)$, $\chi_{4725}(2521,·)$, $\chi_{4725}(2011,·)$, $\chi_{4725}(3301,·)$, $\chi_{4725}(1891,·)$, $\chi_{4725}(1381,·)$, $\chi_{4725}(4561,·)$, $\chi_{4725}(1261,·)$, $\chi_{4725}(751,·)$, $\chi_{4725}(631,·)$, $\chi_{4725}(4216,·)$, $\chi_{4725}(2041,·)$, $\chi_{4725}(2986,·)$$\rbrace$
This is not a CM field.

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

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $\frac{1}{7}a^{12}-\frac{2}{7}a^{11}+\frac{3}{7}a^{10}-\frac{1}{7}a^{9}-\frac{3}{7}a^{8}-\frac{3}{7}a^{7}+\frac{3}{7}a^{6}-\frac{2}{7}a^{5}+\frac{1}{7}a^{4}+\frac{1}{7}a^{3}-\frac{2}{7}a^{2}-\frac{3}{7}a+\frac{1}{7}$, $\frac{1}{7}a^{13}-\frac{1}{7}a^{11}-\frac{2}{7}a^{10}+\frac{2}{7}a^{9}-\frac{2}{7}a^{8}-\frac{3}{7}a^{7}-\frac{3}{7}a^{6}-\frac{3}{7}a^{5}+\frac{3}{7}a^{4}+\frac{2}{7}a+\frac{2}{7}$, $\frac{1}{7}a^{14}+\frac{3}{7}a^{11}-\frac{2}{7}a^{10}-\frac{3}{7}a^{9}+\frac{1}{7}a^{8}+\frac{1}{7}a^{7}+\frac{1}{7}a^{5}+\frac{1}{7}a^{4}+\frac{1}{7}a^{3}-\frac{1}{7}a+\frac{1}{7}$, $\frac{1}{7}a^{15}-\frac{3}{7}a^{11}+\frac{2}{7}a^{10}-\frac{3}{7}a^{9}+\frac{3}{7}a^{8}+\frac{2}{7}a^{7}-\frac{1}{7}a^{6}-\frac{2}{7}a^{4}-\frac{3}{7}a^{3}-\frac{2}{7}a^{2}+\frac{3}{7}a-\frac{3}{7}$, $\frac{1}{7}a^{16}+\frac{3}{7}a^{11}-\frac{1}{7}a^{10}-\frac{3}{7}a^{7}+\frac{2}{7}a^{6}-\frac{1}{7}a^{5}+\frac{1}{7}a^{3}-\frac{3}{7}a^{2}+\frac{2}{7}a+\frac{3}{7}$, $\frac{1}{7}a^{17}-\frac{2}{7}a^{11}-\frac{2}{7}a^{10}+\frac{3}{7}a^{9}-\frac{1}{7}a^{8}-\frac{3}{7}a^{7}-\frac{3}{7}a^{6}-\frac{1}{7}a^{5}-\frac{2}{7}a^{4}+\frac{1}{7}a^{3}+\frac{1}{7}a^{2}-\frac{2}{7}a-\frac{3}{7}$, $\frac{1}{7}a^{18}+\frac{1}{7}a^{11}+\frac{2}{7}a^{10}-\frac{3}{7}a^{9}-\frac{2}{7}a^{8}-\frac{2}{7}a^{7}-\frac{2}{7}a^{6}+\frac{1}{7}a^{5}+\frac{3}{7}a^{4}+\frac{3}{7}a^{3}+\frac{1}{7}a^{2}-\frac{2}{7}a+\frac{2}{7}$, $\frac{1}{7}a^{19}-\frac{3}{7}a^{11}+\frac{1}{7}a^{10}-\frac{1}{7}a^{9}+\frac{1}{7}a^{8}+\frac{1}{7}a^{7}-\frac{2}{7}a^{6}-\frac{2}{7}a^{5}+\frac{2}{7}a^{4}-\frac{2}{7}a-\frac{1}{7}$, $\frac{1}{7}a^{20}+\frac{2}{7}a^{11}+\frac{1}{7}a^{10}-\frac{2}{7}a^{9}-\frac{1}{7}a^{8}+\frac{3}{7}a^{7}+\frac{3}{7}a^{5}+\frac{3}{7}a^{4}+\frac{3}{7}a^{3}-\frac{1}{7}a^{2}-\frac{3}{7}a+\frac{3}{7}$, $\frac{1}{7}a^{21}-\frac{2}{7}a^{11}-\frac{1}{7}a^{10}+\frac{1}{7}a^{9}+\frac{2}{7}a^{8}-\frac{1}{7}a^{7}-\frac{3}{7}a^{6}+\frac{1}{7}a^{4}-\frac{3}{7}a^{3}+\frac{1}{7}a^{2}+\frac{2}{7}a-\frac{2}{7}$, $\frac{1}{7}a^{22}+\frac{2}{7}a^{11}-\frac{2}{7}a^{7}-\frac{1}{7}a^{6}-\frac{3}{7}a^{5}-\frac{1}{7}a^{4}+\frac{3}{7}a^{3}-\frac{2}{7}a^{2}-\frac{1}{7}a+\frac{2}{7}$, $\frac{1}{7}a^{23}-\frac{3}{7}a^{11}+\frac{1}{7}a^{10}+\frac{2}{7}a^{9}-\frac{3}{7}a^{8}-\frac{2}{7}a^{7}-\frac{2}{7}a^{6}+\frac{3}{7}a^{5}+\frac{1}{7}a^{4}+\frac{3}{7}a^{3}+\frac{3}{7}a^{2}+\frac{1}{7}a-\frac{2}{7}$, $\frac{1}{49}a^{24}+\frac{3}{49}a^{23}+\frac{3}{49}a^{22}+\frac{1}{49}a^{18}+\frac{1}{49}a^{16}-\frac{2}{49}a^{15}+\frac{1}{49}a^{12}-\frac{1}{7}a^{11}-\frac{1}{7}a^{10}+\frac{2}{49}a^{9}-\frac{17}{49}a^{8}-\frac{1}{7}a^{7}+\frac{1}{49}a^{6}+\frac{1}{7}a^{5}-\frac{1}{7}a^{4}-\frac{3}{7}a^{3}-\frac{2}{49}a^{2}+\frac{1}{49}a+\frac{1}{49}$, $\frac{1}{931}a^{25}-\frac{2}{931}a^{24}+\frac{16}{931}a^{23}-\frac{43}{931}a^{22}+\frac{3}{133}a^{21}-\frac{4}{133}a^{20}-\frac{55}{931}a^{19}-\frac{26}{931}a^{18}+\frac{15}{931}a^{17}-\frac{2}{133}a^{16}-\frac{32}{931}a^{15}+\frac{8}{133}a^{14}+\frac{22}{931}a^{13}-\frac{40}{931}a^{12}-\frac{46}{133}a^{11}-\frac{327}{931}a^{10}-\frac{48}{931}a^{9}-\frac{384}{931}a^{8}+\frac{183}{931}a^{7}+\frac{345}{931}a^{6}+\frac{11}{133}a^{5}+\frac{53}{133}a^{4}+\frac{201}{931}a^{3}-\frac{2}{49}a^{2}+\frac{185}{931}a+\frac{149}{931}$, $\frac{1}{931}a^{26}-\frac{1}{133}a^{24}+\frac{65}{931}a^{23}+\frac{11}{931}a^{22}+\frac{2}{133}a^{21}+\frac{22}{931}a^{20}-\frac{3}{931}a^{19}-\frac{8}{133}a^{18}+\frac{16}{931}a^{17}+\frac{54}{931}a^{16}+\frac{30}{931}a^{15}+\frac{1}{931}a^{14}+\frac{4}{931}a^{13}-\frac{22}{931}a^{12}-\frac{40}{931}a^{11}+\frac{229}{931}a^{10}+\frac{40}{133}a^{9}-\frac{129}{931}a^{8}+\frac{46}{931}a^{7}-\frac{316}{931}a^{6}+\frac{8}{19}a^{5}+\frac{145}{931}a^{4}-\frac{62}{133}a^{3}-\frac{17}{133}a^{2}-\frac{32}{931}a+\frac{279}{931}$, $\frac{1}{931}a^{27}-\frac{6}{931}a^{24}-\frac{48}{931}a^{23}-\frac{59}{931}a^{22}+\frac{36}{931}a^{21}-\frac{66}{931}a^{20}-\frac{6}{133}a^{19}+\frac{43}{931}a^{18}+\frac{26}{931}a^{17}+\frac{8}{931}a^{16}+\frac{24}{931}a^{15}-\frac{3}{931}a^{14}-\frac{1}{931}a^{13}+\frac{22}{931}a^{12}-\frac{30}{931}a^{11}+\frac{55}{133}a^{10}+\frac{352}{931}a^{9}-\frac{30}{133}a^{8}+\frac{34}{931}a^{7}-\frac{176}{931}a^{6}+\frac{1}{49}a^{5}-\frac{2}{19}a^{4}+\frac{32}{133}a^{3}+\frac{215}{931}a^{2}-\frac{79}{931}a-\frac{78}{931}$, $\frac{1}{931}a^{28}-\frac{3}{931}a^{24}-\frac{58}{931}a^{23}-\frac{51}{931}a^{22}+\frac{60}{931}a^{21}+\frac{8}{133}a^{20}-\frac{3}{133}a^{19}+\frac{60}{931}a^{18}-\frac{5}{133}a^{17}-\frac{3}{931}a^{16}-\frac{43}{931}a^{15}-\frac{64}{931}a^{14}+\frac{3}{133}a^{13}+\frac{53}{931}a^{12}+\frac{45}{133}a^{11}+\frac{36}{133}a^{10}+\frac{148}{931}a^{9}+\frac{86}{931}a^{8}+\frac{124}{931}a^{7}+\frac{417}{931}a^{6}-\frac{5}{133}a^{5}-\frac{11}{133}a^{4}-\frac{9}{19}a^{3}+\frac{244}{931}a^{2}-\frac{374}{931}a-\frac{379}{931}$, $\frac{1}{931}a^{29}-\frac{1}{133}a^{24}+\frac{5}{133}a^{23}-\frac{31}{931}a^{22}-\frac{2}{133}a^{21}+\frac{4}{133}a^{20}+\frac{4}{133}a^{19}-\frac{8}{133}a^{18}+\frac{6}{133}a^{17}-\frac{4}{133}a^{16}-\frac{8}{931}a^{15}+\frac{8}{133}a^{14}-\frac{2}{133}a^{13}-\frac{2}{133}a^{12}-\frac{64}{133}a^{11}+\frac{33}{133}a^{10}-\frac{30}{133}a^{9}-\frac{135}{931}a^{8}-\frac{52}{133}a^{7}-\frac{1}{133}a^{6}-\frac{54}{133}a^{5}+\frac{58}{133}a^{4}+\frac{45}{133}a^{3}-\frac{10}{133}a^{2}-\frac{166}{931}a-\frac{61}{133}$, $\frac{1}{931}a^{30}+\frac{2}{931}a^{24}+\frac{24}{931}a^{23}+\frac{27}{931}a^{22}+\frac{6}{133}a^{21}-\frac{5}{133}a^{20}-\frac{6}{133}a^{19}-\frac{26}{931}a^{18}-\frac{8}{133}a^{17}+\frac{8}{931}a^{16}+\frac{3}{931}a^{15}-\frac{3}{133}a^{14}+\frac{1}{133}a^{13}+\frac{51}{931}a^{12}-\frac{6}{19}a^{11}-\frac{53}{133}a^{10}+\frac{422}{931}a^{9}-\frac{335}{931}a^{8}+\frac{11}{133}a^{7}-\frac{376}{931}a^{6}-\frac{55}{133}a^{5}+\frac{55}{133}a^{4}+\frac{58}{133}a^{3}+\frac{5}{931}a^{2}+\frac{184}{931}a+\frac{93}{931}$, $\frac{1}{931}a^{31}+\frac{9}{931}a^{24}-\frac{62}{931}a^{23}-\frac{62}{931}a^{22}+\frac{8}{133}a^{21}+\frac{2}{133}a^{20}-\frac{1}{19}a^{19}-\frac{23}{931}a^{18}-\frac{22}{931}a^{17}+\frac{12}{931}a^{16}-\frac{52}{931}a^{15}+\frac{4}{133}a^{14}+\frac{1}{133}a^{13}+\frac{33}{931}a^{12}-\frac{8}{19}a^{11}+\frac{278}{931}a^{10}-\frac{277}{931}a^{9}+\frac{237}{931}a^{8}+\frac{46}{133}a^{7}-\frac{163}{931}a^{6}+\frac{52}{133}a^{5}+\frac{66}{133}a^{4}+\frac{2}{931}a^{3}+\frac{431}{931}a^{2}-\frac{30}{931}a+\frac{82}{931}$, $\frac{1}{931}a^{32}-\frac{6}{931}a^{24}+\frac{41}{931}a^{23}+\frac{25}{931}a^{22}-\frac{6}{133}a^{21}-\frac{9}{133}a^{20}-\frac{60}{931}a^{19}-\frac{16}{931}a^{18}+\frac{10}{931}a^{17}-\frac{3}{133}a^{16}-\frac{26}{931}a^{15}+\frac{5}{133}a^{14}-\frac{32}{931}a^{13}+\frac{6}{931}a^{12}-\frac{149}{931}a^{11}+\frac{6}{931}a^{10}+\frac{80}{931}a^{9}-\frac{193}{931}a^{8}+\frac{185}{931}a^{7}-\frac{176}{931}a^{6}+\frac{43}{133}a^{5}+\frac{387}{931}a^{4}-\frac{314}{931}a^{3}+\frac{103}{931}a^{2}+\frac{184}{931}a-\frac{106}{931}$, $\frac{1}{931}a^{33}-\frac{9}{931}a^{24}+\frac{1}{133}a^{23}-\frac{15}{931}a^{22}+\frac{9}{133}a^{21}+\frac{2}{49}a^{20}+\frac{53}{931}a^{19}-\frac{51}{931}a^{18}-\frac{64}{931}a^{17}-\frac{15}{931}a^{16}+\frac{52}{931}a^{15}+\frac{2}{49}a^{14}+\frac{5}{931}a^{13}-\frac{4}{133}a^{12}+\frac{202}{931}a^{11}-\frac{153}{931}a^{10}+\frac{241}{931}a^{9}-\frac{409}{931}a^{8}-\frac{408}{931}a^{7}+\frac{205}{931}a^{6}-\frac{215}{931}a^{5}-\frac{216}{931}a^{4}-\frac{60}{133}a^{3}+\frac{298}{931}a^{2}+\frac{43}{133}a-\frac{208}{931}$, $\frac{1}{931}a^{34}+\frac{8}{931}a^{24}+\frac{53}{931}a^{23}-\frac{1}{931}a^{22}-\frac{39}{931}a^{21}-\frac{66}{931}a^{20}-\frac{2}{133}a^{19}-\frac{13}{931}a^{18}-\frac{13}{931}a^{17}-\frac{55}{931}a^{16}-\frac{22}{931}a^{15}-\frac{23}{931}a^{14}+\frac{37}{931}a^{13}-\frac{6}{931}a^{12}-\frac{391}{931}a^{11}+\frac{13}{133}a^{10}-\frac{138}{931}a^{9}-\frac{463}{931}a^{8}-\frac{276}{931}a^{7}+\frac{249}{931}a^{6}-\frac{321}{931}a^{5}-\frac{58}{133}a^{4}-\frac{3}{133}a^{3}-\frac{212}{931}a^{2}+\frac{412}{931}a+\frac{163}{931}$, $\frac{1}{931}a^{35}-\frac{1}{133}a^{24}+\frac{6}{133}a^{23}-\frac{8}{133}a^{22}+\frac{32}{931}a^{21}-\frac{8}{133}a^{20}+\frac{4}{133}a^{19}-\frac{2}{133}a^{18}-\frac{6}{133}a^{17}+\frac{2}{133}a^{16}-\frac{2}{133}a^{15}-\frac{12}{931}a^{14}-\frac{1}{19}a^{13}-\frac{2}{133}a^{12}-\frac{37}{133}a^{11}-\frac{64}{133}a^{10}-\frac{2}{19}a^{9}+\frac{2}{19}a^{8}-\frac{284}{931}a^{7}+\frac{24}{133}a^{6}+\frac{9}{19}a^{5}-\frac{47}{133}a^{4}+\frac{9}{19}a^{3}-\frac{47}{133}a^{2}-\frac{66}{133}a-\frac{71}{931}$, $\frac{1}{6517}a^{36}+\frac{1}{6517}a^{35}+\frac{2}{6517}a^{33}+\frac{3}{6517}a^{32}-\frac{1}{6517}a^{31}+\frac{3}{6517}a^{29}+\frac{1}{6517}a^{28}+\frac{1}{6517}a^{26}-\frac{2}{6517}a^{25}-\frac{32}{6517}a^{24}+\frac{62}{931}a^{23}+\frac{457}{6517}a^{22}+\frac{24}{343}a^{21}+\frac{1}{49}a^{20}+\frac{40}{6517}a^{19}-\frac{458}{6517}a^{18}+\frac{211}{6517}a^{17}-\frac{65}{931}a^{16}+\frac{349}{6517}a^{15}-\frac{454}{6517}a^{14}+\frac{10}{931}a^{13}-\frac{403}{6517}a^{12}+\frac{2416}{6517}a^{11}+\frac{1486}{6517}a^{10}-\frac{390}{931}a^{9}-\frac{2915}{6517}a^{8}-\frac{839}{6517}a^{7}+\frac{202}{931}a^{6}-\frac{72}{343}a^{5}-\frac{71}{6517}a^{4}-\frac{1927}{6517}a^{3}+\frac{81}{931}a^{2}+\frac{1090}{6517}a-\frac{41}{6517}$, $\frac{1}{45619}a^{37}-\frac{3}{45619}a^{36}+\frac{3}{45619}a^{35}-\frac{12}{45619}a^{34}-\frac{5}{45619}a^{33}-\frac{6}{45619}a^{32}-\frac{17}{45619}a^{31}-\frac{4}{45619}a^{30}-\frac{11}{45619}a^{29}-\frac{11}{45619}a^{28}+\frac{1}{45619}a^{27}-\frac{20}{45619}a^{26}-\frac{3}{45619}a^{25}-\frac{33}{45619}a^{24}+\frac{590}{45619}a^{23}-\frac{2}{931}a^{22}+\frac{2726}{45619}a^{21}-\frac{807}{45619}a^{20}+\frac{2504}{45619}a^{19}+\frac{1301}{45619}a^{18}-\frac{2013}{45619}a^{17}+\frac{3149}{45619}a^{16}+\frac{2714}{45619}a^{15}-\frac{2979}{45619}a^{14}+\frac{157}{45619}a^{13}+\frac{1837}{45619}a^{12}-\frac{6470}{45619}a^{11}-\frac{1186}{2401}a^{10}+\frac{20143}{45619}a^{9}-\frac{21848}{45619}a^{8}+\frac{7626}{45619}a^{7}-\frac{22095}{45619}a^{6}-\frac{17692}{45619}a^{5}+\frac{19763}{45619}a^{4}+\frac{21820}{45619}a^{3}-\frac{18496}{45619}a^{2}-\frac{11674}{45619}a-\frac{396}{45619}$, $\frac{1}{45619}a^{38}+\frac{1}{45619}a^{36}+\frac{4}{45619}a^{35}+\frac{8}{45619}a^{34}-\frac{1}{6517}a^{33}-\frac{2}{6517}a^{32}-\frac{13}{45619}a^{31}-\frac{23}{45619}a^{30}-\frac{23}{45619}a^{29}+\frac{24}{45619}a^{28}-\frac{17}{45619}a^{27}-\frac{1}{6517}a^{26}-\frac{1}{6517}a^{25}-\frac{419}{45619}a^{24}+\frac{137}{2401}a^{23}+\frac{2201}{45619}a^{22}+\frac{431}{6517}a^{21}+\frac{916}{45619}a^{20}+\frac{305}{6517}a^{19}+\frac{204}{6517}a^{18}+\frac{3193}{45619}a^{17}+\frac{1234}{45619}a^{16}-\frac{2880}{45619}a^{15}+\frac{978}{45619}a^{14}+\frac{740}{45619}a^{13}+\frac{384}{6517}a^{12}+\frac{45}{343}a^{11}+\frac{8121}{45619}a^{10}+\frac{9377}{45619}a^{9}-\frac{2327}{6517}a^{8}+\frac{7944}{45619}a^{7}-\frac{16357}{45619}a^{6}-\frac{2788}{6517}a^{5}+\frac{2878}{6517}a^{4}-\frac{482}{45619}a^{3}+\frac{5799}{45619}a^{2}-\frac{20830}{45619}a+\frac{5483}{45619}$, $\frac{1}{45619}a^{39}-\frac{2}{45619}a^{35}+\frac{5}{45619}a^{34}-\frac{23}{45619}a^{33}+\frac{3}{6517}a^{32}+\frac{1}{45619}a^{31}-\frac{1}{2401}a^{30}+\frac{2}{6517}a^{29}-\frac{13}{45619}a^{28}-\frac{8}{45619}a^{27}+\frac{6}{45619}a^{26}-\frac{10}{45619}a^{25}-\frac{80}{45619}a^{24}+\frac{1268}{45619}a^{23}-\frac{250}{6517}a^{22}+\frac{1172}{45619}a^{21}+\frac{982}{45619}a^{20}+\frac{212}{45619}a^{19}-\frac{1223}{45619}a^{18}+\frac{1623}{45619}a^{17}+\frac{1811}{45619}a^{16}-\frac{177}{6517}a^{15}-\frac{2021}{45619}a^{14}+\frac{2580}{45619}a^{13}+\frac{145}{2401}a^{12}-\frac{5506}{45619}a^{11}+\frac{575}{2401}a^{10}-\frac{3357}{45619}a^{9}+\frac{10}{6517}a^{8}-\frac{2479}{45619}a^{7}-\frac{12905}{45619}a^{6}+\frac{14143}{45619}a^{5}+\frac{753}{2401}a^{4}-\frac{17330}{45619}a^{3}-\frac{18945}{45619}a^{2}-\frac{3084}{6517}a+\frac{12933}{45619}$, $\frac{1}{319333}a^{40}-\frac{1}{319333}a^{39}+\frac{3}{319333}a^{38}+\frac{3}{319333}a^{37}+\frac{6}{319333}a^{36}-\frac{15}{45619}a^{35}+\frac{156}{319333}a^{34}-\frac{160}{319333}a^{33}+\frac{158}{319333}a^{32}+\frac{170}{319333}a^{31}+\frac{1}{319333}a^{30}+\frac{11}{319333}a^{29}+\frac{156}{319333}a^{28}-\frac{83}{319333}a^{27}+\frac{15}{319333}a^{26}+\frac{117}{319333}a^{25}-\frac{1044}{319333}a^{24}-\frac{3631}{319333}a^{23}-\frac{7450}{319333}a^{22}+\frac{962}{16807}a^{21}-\frac{884}{319333}a^{20}-\frac{4353}{319333}a^{19}+\frac{10795}{319333}a^{18}+\frac{13738}{319333}a^{17}-\frac{12588}{319333}a^{16}-\frac{11290}{319333}a^{15}+\frac{15811}{319333}a^{14}-\frac{6101}{319333}a^{13}-\frac{13999}{319333}a^{12}-\frac{8013}{16807}a^{11}-\frac{135158}{319333}a^{10}+\frac{7954}{45619}a^{9}-\frac{150322}{319333}a^{8}+\frac{101125}{319333}a^{7}-\frac{100754}{319333}a^{6}-\frac{144430}{319333}a^{5}-\frac{115617}{319333}a^{4}-\frac{145732}{319333}a^{3}+\frac{77160}{319333}a^{2}+\frac{1514}{319333}a-\frac{131722}{319333}$, $\frac{1}{35395827719}a^{41}-\frac{10016}{35395827719}a^{40}-\frac{266573}{35395827719}a^{39}-\frac{56495}{35395827719}a^{38}+\frac{218027}{35395827719}a^{37}+\frac{2634336}{35395827719}a^{36}+\frac{14698854}{35395827719}a^{35}+\frac{16095616}{35395827719}a^{34}+\frac{12828878}{35395827719}a^{33}-\frac{981285}{35395827719}a^{32}-\frac{11612911}{35395827719}a^{31}+\frac{4543076}{35395827719}a^{30}-\frac{9393430}{35395827719}a^{29}+\frac{18924008}{35395827719}a^{28}+\frac{8551301}{35395827719}a^{27}-\frac{2150758}{5056546817}a^{26}+\frac{7952345}{35395827719}a^{25}-\frac{28996876}{5056546817}a^{24}+\frac{414827345}{35395827719}a^{23}-\frac{1034265578}{35395827719}a^{22}+\frac{312654371}{5056546817}a^{21}+\frac{82412425}{35395827719}a^{20}+\frac{2214228201}{35395827719}a^{19}+\frac{1067322241}{35395827719}a^{18}-\frac{100037934}{1862938301}a^{17}-\frac{2016139506}{35395827719}a^{16}+\frac{1762389}{5056546817}a^{15}-\frac{57579278}{35395827719}a^{14}-\frac{45288890}{5056546817}a^{13}+\frac{2212086623}{35395827719}a^{12}+\frac{15361967849}{35395827719}a^{11}-\frac{15545469202}{35395827719}a^{10}-\frac{16227238444}{35395827719}a^{9}+\frac{7462660718}{35395827719}a^{8}+\frac{15988714913}{35395827719}a^{7}+\frac{8146565303}{35395827719}a^{6}-\frac{9186200075}{35395827719}a^{5}+\frac{6016756051}{35395827719}a^{4}-\frac{15644415058}{35395827719}a^{3}-\frac{489284102}{5056546817}a^{2}+\frac{10658644893}{35395827719}a+\frac{10596119759}{35395827719}$, $\frac{1}{35395827719}a^{42}-\frac{52228}{35395827719}a^{40}+\frac{156207}{35395827719}a^{39}-\frac{32250}{5056546817}a^{38}-\frac{317936}{35395827719}a^{37}-\frac{54872}{1862938301}a^{36}+\frac{7947124}{35395827719}a^{35}+\frac{17678807}{35395827719}a^{34}-\frac{1908673}{35395827719}a^{33}+\frac{9345509}{35395827719}a^{32}+\frac{5832154}{35395827719}a^{31}-\frac{8214987}{35395827719}a^{30}-\frac{6074560}{35395827719}a^{29}-\frac{11950642}{35395827719}a^{28}-\frac{18820211}{35395827719}a^{27}-\frac{10915057}{35395827719}a^{26}+\frac{1107223}{5056546817}a^{25}+\frac{113354790}{35395827719}a^{24}+\frac{279399327}{5056546817}a^{23}+\frac{56264451}{35395827719}a^{22}+\frac{930067953}{35395827719}a^{21}+\frac{376577839}{35395827719}a^{20}-\frac{1764797991}{35395827719}a^{19}-\frac{2308413661}{35395827719}a^{18}+\frac{1860157384}{35395827719}a^{17}+\frac{122605960}{1862938301}a^{16}-\frac{748408082}{35395827719}a^{15}+\frac{319856183}{35395827719}a^{14}+\frac{349971554}{35395827719}a^{13}-\frac{30650815}{1862938301}a^{12}+\frac{12209144223}{35395827719}a^{11}+\frac{887295919}{1862938301}a^{10}+\frac{16251295045}{35395827719}a^{9}+\frac{6924113565}{35395827719}a^{8}+\frac{9670463253}{35395827719}a^{7}+\frac{11426185426}{35395827719}a^{6}+\frac{95372290}{5056546817}a^{5}-\frac{7135920315}{35395827719}a^{4}-\frac{6120440328}{35395827719}a^{3}+\frac{4544595729}{35395827719}a^{2}-\frac{768658820}{1862938301}a-\frac{916766278}{1862938301}$, $\frac{1}{22\!\cdots\!33}a^{43}-\frac{8301503762}{22\!\cdots\!33}a^{42}+\frac{501604087}{45\!\cdots\!17}a^{41}-\frac{991117775669565}{22\!\cdots\!33}a^{40}+\frac{93\!\cdots\!37}{22\!\cdots\!33}a^{39}-\frac{22\!\cdots\!88}{22\!\cdots\!33}a^{38}+\frac{33\!\cdots\!43}{31\!\cdots\!19}a^{37}+\frac{98\!\cdots\!08}{22\!\cdots\!33}a^{36}-\frac{45\!\cdots\!29}{22\!\cdots\!33}a^{35}+\frac{43\!\cdots\!97}{31\!\cdots\!19}a^{34}-\frac{56\!\cdots\!15}{31\!\cdots\!19}a^{33}+\frac{15\!\cdots\!26}{31\!\cdots\!19}a^{32}+\frac{26\!\cdots\!79}{31\!\cdots\!19}a^{31}+\frac{53\!\cdots\!42}{31\!\cdots\!19}a^{30}-\frac{15\!\cdots\!68}{22\!\cdots\!33}a^{29}+\frac{10\!\cdots\!19}{22\!\cdots\!33}a^{28}+\frac{15\!\cdots\!43}{31\!\cdots\!19}a^{27}+\frac{85\!\cdots\!96}{22\!\cdots\!33}a^{26}+\frac{10\!\cdots\!80}{22\!\cdots\!33}a^{25}-\frac{17\!\cdots\!39}{22\!\cdots\!33}a^{24}+\frac{13\!\cdots\!15}{31\!\cdots\!19}a^{23}+\frac{12\!\cdots\!99}{22\!\cdots\!33}a^{22}+\frac{67\!\cdots\!04}{22\!\cdots\!33}a^{21}-\frac{19\!\cdots\!90}{31\!\cdots\!19}a^{20}+\frac{14\!\cdots\!56}{22\!\cdots\!33}a^{19}-\frac{80\!\cdots\!78}{22\!\cdots\!33}a^{18}-\frac{71\!\cdots\!57}{22\!\cdots\!33}a^{17}+\frac{20\!\cdots\!90}{31\!\cdots\!19}a^{16}-\frac{33\!\cdots\!32}{22\!\cdots\!33}a^{15}-\frac{94\!\cdots\!32}{22\!\cdots\!33}a^{14}+\frac{10\!\cdots\!56}{31\!\cdots\!19}a^{13}+\frac{15\!\cdots\!04}{22\!\cdots\!33}a^{12}-\frac{97\!\cdots\!85}{22\!\cdots\!33}a^{11}-\frac{15\!\cdots\!14}{22\!\cdots\!33}a^{10}-\frac{84\!\cdots\!44}{45\!\cdots\!17}a^{9}+\frac{34\!\cdots\!61}{11\!\cdots\!07}a^{8}+\frac{31\!\cdots\!05}{22\!\cdots\!33}a^{7}+\frac{72\!\cdots\!01}{31\!\cdots\!19}a^{6}+\frac{11\!\cdots\!97}{22\!\cdots\!33}a^{5}+\frac{66\!\cdots\!85}{22\!\cdots\!33}a^{4}+\frac{90\!\cdots\!98}{22\!\cdots\!33}a^{3}+\frac{30\!\cdots\!81}{31\!\cdots\!19}a^{2}-\frac{64\!\cdots\!79}{22\!\cdots\!33}a-\frac{27\!\cdots\!75}{22\!\cdots\!33}$, $\frac{1}{58\!\cdots\!33}a^{44}+\frac{29\!\cdots\!15}{58\!\cdots\!33}a^{43}-\frac{82\!\cdots\!54}{58\!\cdots\!33}a^{42}+\frac{52\!\cdots\!03}{58\!\cdots\!33}a^{41}-\frac{28\!\cdots\!18}{58\!\cdots\!33}a^{40}+\frac{34\!\cdots\!66}{58\!\cdots\!33}a^{39}+\frac{15\!\cdots\!40}{58\!\cdots\!33}a^{38}-\frac{58\!\cdots\!79}{58\!\cdots\!33}a^{37}+\frac{26\!\cdots\!65}{58\!\cdots\!33}a^{36}-\frac{99\!\cdots\!93}{58\!\cdots\!33}a^{35}+\frac{20\!\cdots\!93}{84\!\cdots\!19}a^{34}-\frac{42\!\cdots\!13}{84\!\cdots\!19}a^{33}+\frac{13\!\cdots\!19}{84\!\cdots\!19}a^{32}-\frac{30\!\cdots\!80}{84\!\cdots\!19}a^{31}-\frac{51\!\cdots\!86}{58\!\cdots\!33}a^{30}-\frac{81\!\cdots\!94}{31\!\cdots\!07}a^{29}-\frac{31\!\cdots\!75}{58\!\cdots\!33}a^{28}+\frac{28\!\cdots\!18}{58\!\cdots\!33}a^{27}-\frac{99\!\cdots\!48}{58\!\cdots\!33}a^{26}-\frac{28\!\cdots\!49}{58\!\cdots\!33}a^{25}-\frac{38\!\cdots\!71}{58\!\cdots\!33}a^{24}+\frac{26\!\cdots\!51}{58\!\cdots\!33}a^{23}+\frac{36\!\cdots\!73}{58\!\cdots\!33}a^{22}+\frac{21\!\cdots\!34}{31\!\cdots\!07}a^{21}-\frac{31\!\cdots\!07}{58\!\cdots\!33}a^{20}-\frac{19\!\cdots\!98}{58\!\cdots\!33}a^{19}+\frac{17\!\cdots\!59}{58\!\cdots\!33}a^{18}+\frac{16\!\cdots\!77}{58\!\cdots\!33}a^{17}-\frac{18\!\cdots\!46}{58\!\cdots\!33}a^{16}+\frac{92\!\cdots\!41}{84\!\cdots\!19}a^{15}+\frac{72\!\cdots\!47}{31\!\cdots\!07}a^{14}-\frac{77\!\cdots\!14}{58\!\cdots\!33}a^{13}-\frac{29\!\cdots\!91}{58\!\cdots\!33}a^{12}+\frac{21\!\cdots\!33}{58\!\cdots\!33}a^{11}-\frac{92\!\cdots\!91}{58\!\cdots\!33}a^{10}-\frac{23\!\cdots\!22}{58\!\cdots\!33}a^{9}+\frac{16\!\cdots\!45}{58\!\cdots\!33}a^{8}-\frac{22\!\cdots\!77}{58\!\cdots\!33}a^{7}-\frac{10\!\cdots\!38}{58\!\cdots\!33}a^{6}+\frac{62\!\cdots\!39}{58\!\cdots\!33}a^{5}-\frac{18\!\cdots\!63}{58\!\cdots\!33}a^{4}+\frac{98\!\cdots\!22}{77\!\cdots\!69}a^{3}-\frac{31\!\cdots\!40}{58\!\cdots\!33}a^{2}+\frac{15\!\cdots\!03}{58\!\cdots\!33}a+\frac{10\!\cdots\!69}{58\!\cdots\!33}$ 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:  $44$
sage: UK.rank()
 
gp: K.fu
 
magma: UnitRank(K);
 
oscar: rank(UK)
 
Torsion generator:   \( -1 \)  (order $2$) 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^45 - 405*x^43 - 45*x^42 + 74565*x^41 + 13986*x^40 - 8290800*x^39 - 1937610*x^38 + 623822085*x^37 + 158343200*x^36 - 33730092612*x^35 - 8501973165*x^34 + 1358280567105*x^33 + 315527932755*x^32 - 41656181730075*x^31 - 8257524539733*x^30 + 986564158362990*x^29 + 151291718024085*x^28 - 18188682238507875*x^27 - 1837307213515305*x^26 + 261951082234160256*x^25 + 11633106453685350*x^24 - 2946259043332552305*x^23 + 39719938240377450*x^22 + 25786532715466797195*x^21 - 1805631856520318496*x^20 - 174433501954113158925*x^19 + 21474396909776230700*x^18 + 902723065221863783160*x^17 - 154718694923268688020*x^16 - 3523794539226841295061*x^15 + 755660668535950676940*x^14 + 10175405955078415341510*x^13 - 2572756413109899568440*x^12 - 21151381993350223213305*x^11 + 6092956812785525217882*x^10 + 30403883242511231332790*x^9 - 9799931675663506270395*x^8 - 28334864017939625412120*x^7 + 10152119383093656646320*x^6 + 15176238217723477388907*x^5 - 6060909987353410350210*x^4 - 3421782109383146916285*x^3 + 1568220560944780065255*x^2 - 73641665210792649300*x - 1914182976156359651)
 
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^45 - 405*x^43 - 45*x^42 + 74565*x^41 + 13986*x^40 - 8290800*x^39 - 1937610*x^38 + 623822085*x^37 + 158343200*x^36 - 33730092612*x^35 - 8501973165*x^34 + 1358280567105*x^33 + 315527932755*x^32 - 41656181730075*x^31 - 8257524539733*x^30 + 986564158362990*x^29 + 151291718024085*x^28 - 18188682238507875*x^27 - 1837307213515305*x^26 + 261951082234160256*x^25 + 11633106453685350*x^24 - 2946259043332552305*x^23 + 39719938240377450*x^22 + 25786532715466797195*x^21 - 1805631856520318496*x^20 - 174433501954113158925*x^19 + 21474396909776230700*x^18 + 902723065221863783160*x^17 - 154718694923268688020*x^16 - 3523794539226841295061*x^15 + 755660668535950676940*x^14 + 10175405955078415341510*x^13 - 2572756413109899568440*x^12 - 21151381993350223213305*x^11 + 6092956812785525217882*x^10 + 30403883242511231332790*x^9 - 9799931675663506270395*x^8 - 28334864017939625412120*x^7 + 10152119383093656646320*x^6 + 15176238217723477388907*x^5 - 6060909987353410350210*x^4 - 3421782109383146916285*x^3 + 1568220560944780065255*x^2 - 73641665210792649300*x - 1914182976156359651, 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^45 - 405*x^43 - 45*x^42 + 74565*x^41 + 13986*x^40 - 8290800*x^39 - 1937610*x^38 + 623822085*x^37 + 158343200*x^36 - 33730092612*x^35 - 8501973165*x^34 + 1358280567105*x^33 + 315527932755*x^32 - 41656181730075*x^31 - 8257524539733*x^30 + 986564158362990*x^29 + 151291718024085*x^28 - 18188682238507875*x^27 - 1837307213515305*x^26 + 261951082234160256*x^25 + 11633106453685350*x^24 - 2946259043332552305*x^23 + 39719938240377450*x^22 + 25786532715466797195*x^21 - 1805631856520318496*x^20 - 174433501954113158925*x^19 + 21474396909776230700*x^18 + 902723065221863783160*x^17 - 154718694923268688020*x^16 - 3523794539226841295061*x^15 + 755660668535950676940*x^14 + 10175405955078415341510*x^13 - 2572756413109899568440*x^12 - 21151381993350223213305*x^11 + 6092956812785525217882*x^10 + 30403883242511231332790*x^9 - 9799931675663506270395*x^8 - 28334864017939625412120*x^7 + 10152119383093656646320*x^6 + 15176238217723477388907*x^5 - 6060909987353410350210*x^4 - 3421782109383146916285*x^3 + 1568220560944780065255*x^2 - 73641665210792649300*x - 1914182976156359651);
 
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^45 - 405*x^43 - 45*x^42 + 74565*x^41 + 13986*x^40 - 8290800*x^39 - 1937610*x^38 + 623822085*x^37 + 158343200*x^36 - 33730092612*x^35 - 8501973165*x^34 + 1358280567105*x^33 + 315527932755*x^32 - 41656181730075*x^31 - 8257524539733*x^30 + 986564158362990*x^29 + 151291718024085*x^28 - 18188682238507875*x^27 - 1837307213515305*x^26 + 261951082234160256*x^25 + 11633106453685350*x^24 - 2946259043332552305*x^23 + 39719938240377450*x^22 + 25786532715466797195*x^21 - 1805631856520318496*x^20 - 174433501954113158925*x^19 + 21474396909776230700*x^18 + 902723065221863783160*x^17 - 154718694923268688020*x^16 - 3523794539226841295061*x^15 + 755660668535950676940*x^14 + 10175405955078415341510*x^13 - 2572756413109899568440*x^12 - 21151381993350223213305*x^11 + 6092956812785525217882*x^10 + 30403883242511231332790*x^9 - 9799931675663506270395*x^8 - 28334864017939625412120*x^7 + 10152119383093656646320*x^6 + 15176238217723477388907*x^5 - 6060909987353410350210*x^4 - 3421782109383146916285*x^3 + 1568220560944780065255*x^2 - 73641665210792649300*x - 1914182976156359651);
 
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

$C_{45}$ (as 45T1):

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)
 
A cyclic group of order 45
The 45 conjugacy class representatives for $C_{45}$
Character table for $C_{45}$ is not computed

Intermediate fields

\(\Q(\zeta_{9})^+\), 5.5.390625.1, 9.9.3691950281939241.2, 15.15.207828545629978179931640625.1

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 $45$ R R R $45$ $45$ ${\href{/padicField/17.5.0.1}{5} }^{9}$ ${\href{/padicField/19.5.0.1}{5} }^{9}$ $45$ $45$ $45$ $15^{3}$ $45$ ${\href{/padicField/43.9.0.1}{9} }^{5}$ $45$ $15^{3}$ $45$

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 Deg $45$$9$$5$$110$
\(5\) Copy content Toggle raw display Deg $45$$5$$9$$72$
\(7\) Copy content Toggle raw display 7.9.6.3$x^{9} - 42 x^{6} - 1372$$3$$3$$6$$C_9$$[\ ]_{3}^{3}$
7.9.6.3$x^{9} - 42 x^{6} - 1372$$3$$3$$6$$C_9$$[\ ]_{3}^{3}$
7.9.6.3$x^{9} - 42 x^{6} - 1372$$3$$3$$6$$C_9$$[\ ]_{3}^{3}$
7.9.6.3$x^{9} - 42 x^{6} - 1372$$3$$3$$6$$C_9$$[\ ]_{3}^{3}$
7.9.6.3$x^{9} - 42 x^{6} - 1372$$3$$3$$6$$C_9$$[\ ]_{3}^{3}$