Properties

Label 32.0.879...000.1
Degree $32$
Signature $[0, 16]$
Discriminant $8.799\times 10^{46}$
Root discriminant \(29.31\)
Ramified primes $2,3,5,41$
Class number $16$ (GRH)
Class group [4, 4] (GRH)
Galois group $C_2^4:C_4$ (as 32T262)

Related objects

Downloads

Learn more

Show commands: Magma / Oscar / PariGP / SageMath

Normalized defining polynomial

sage: x = polygen(QQ); K.<a> = NumberField(x^32 - 5*x^30 + 19*x^28 - 70*x^26 + 215*x^24 - 590*x^22 + 1466*x^20 - 3340*x^18 + 7009*x^16 - 13360*x^14 + 23456*x^12 - 37760*x^10 + 55040*x^8 - 71680*x^6 + 77824*x^4 - 81920*x^2 + 65536)
 
gp: K = bnfinit(y^32 - 5*y^30 + 19*y^28 - 70*y^26 + 215*y^24 - 590*y^22 + 1466*y^20 - 3340*y^18 + 7009*y^16 - 13360*y^14 + 23456*y^12 - 37760*y^10 + 55040*y^8 - 71680*y^6 + 77824*y^4 - 81920*y^2 + 65536, 1)
 
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^32 - 5*x^30 + 19*x^28 - 70*x^26 + 215*x^24 - 590*x^22 + 1466*x^20 - 3340*x^18 + 7009*x^16 - 13360*x^14 + 23456*x^12 - 37760*x^10 + 55040*x^8 - 71680*x^6 + 77824*x^4 - 81920*x^2 + 65536);
 
oscar: Qx, x = PolynomialRing(QQ); K, a = NumberField(x^32 - 5*x^30 + 19*x^28 - 70*x^26 + 215*x^24 - 590*x^22 + 1466*x^20 - 3340*x^18 + 7009*x^16 - 13360*x^14 + 23456*x^12 - 37760*x^10 + 55040*x^8 - 71680*x^6 + 77824*x^4 - 81920*x^2 + 65536)
 

\( x^{32} - 5 x^{30} + 19 x^{28} - 70 x^{26} + 215 x^{24} - 590 x^{22} + 1466 x^{20} - 3340 x^{18} + \cdots + 65536 \) Copy content Toggle raw display

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

Invariants

Degree:  $32$
sage: K.degree()
 
gp: poldegree(K.pol)
 
magma: Degree(K);
 
oscar: degree(K)
 
Signature:  $[0, 16]$
sage: K.signature()
 
gp: K.sign
 
magma: Signature(K);
 
oscar: signature(K)
 
Discriminant:   \(87993561227221187133696000000000000000000000000\) \(\medspace = 2^{32}\cdot 3^{16}\cdot 5^{24}\cdot 41^{8}\) 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:  \(29.31\)
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:  $2\cdot 3^{1/2}5^{3/4}41^{1/2}\approx 74.16688765648375$
Ramified primes:   \(2\), \(3\), \(5\), \(41\) 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:  \(\Q\)
$\card{ \Aut(K/\Q) }$:  $16$
sage: K.automorphisms()
 
magma: Automorphisms(K);
 
oscar: automorphisms(K)
 
This field is not Galois over $\Q$.
This is a CM field.
Reflex fields:  unavailable$^{32768}$

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

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $a^{13}$, $a^{14}$, $a^{15}$, $\frac{1}{3}a^{16}-\frac{1}{3}a^{14}+\frac{1}{3}a^{10}-\frac{1}{3}a^{8}+\frac{1}{3}a^{6}-\frac{1}{3}a^{2}+\frac{1}{3}$, $\frac{1}{6}a^{17}-\frac{1}{6}a^{15}-\frac{1}{2}a^{13}-\frac{1}{3}a^{11}-\frac{1}{6}a^{9}-\frac{1}{3}a^{7}+\frac{1}{3}a^{3}+\frac{1}{6}a$, $\frac{1}{12}a^{18}-\frac{1}{12}a^{16}+\frac{1}{4}a^{14}-\frac{1}{6}a^{12}-\frac{1}{12}a^{10}-\frac{1}{6}a^{8}-\frac{1}{2}a^{6}-\frac{1}{3}a^{4}+\frac{1}{12}a^{2}$, $\frac{1}{24}a^{19}-\frac{1}{24}a^{17}-\frac{3}{8}a^{15}-\frac{1}{12}a^{13}-\frac{1}{24}a^{11}-\frac{1}{12}a^{9}-\frac{1}{4}a^{7}-\frac{1}{6}a^{5}+\frac{1}{24}a^{3}-\frac{1}{2}a$, $\frac{1}{48}a^{20}-\frac{1}{48}a^{18}-\frac{1}{48}a^{16}-\frac{5}{24}a^{14}-\frac{1}{48}a^{12}-\frac{3}{8}a^{10}-\frac{7}{24}a^{8}-\frac{5}{12}a^{6}+\frac{1}{48}a^{4}+\frac{1}{12}a^{2}-\frac{1}{3}$, $\frac{1}{96}a^{21}-\frac{1}{96}a^{19}-\frac{1}{96}a^{17}+\frac{19}{48}a^{15}-\frac{1}{96}a^{13}-\frac{3}{16}a^{11}+\frac{17}{48}a^{9}+\frac{7}{24}a^{7}-\frac{47}{96}a^{5}-\frac{11}{24}a^{3}+\frac{1}{3}a$, $\frac{1}{192}a^{22}-\frac{1}{192}a^{20}-\frac{1}{192}a^{18}+\frac{1}{32}a^{16}-\frac{65}{192}a^{14}+\frac{13}{32}a^{12}+\frac{1}{96}a^{10}-\frac{3}{16}a^{8}-\frac{79}{192}a^{6}-\frac{11}{48}a^{4}-\frac{1}{6}a^{2}+\frac{1}{3}$, $\frac{1}{384}a^{23}-\frac{1}{384}a^{21}-\frac{1}{384}a^{19}+\frac{1}{64}a^{17}-\frac{65}{384}a^{15}-\frac{19}{64}a^{13}+\frac{1}{192}a^{11}-\frac{3}{32}a^{9}-\frac{79}{384}a^{7}-\frac{11}{96}a^{5}-\frac{1}{12}a^{3}-\frac{1}{3}a$, $\frac{1}{2304}a^{24}+\frac{1}{768}a^{22}-\frac{7}{768}a^{20}+\frac{41}{1152}a^{18}-\frac{115}{768}a^{16}-\frac{25}{384}a^{14}-\frac{475}{1152}a^{12}-\frac{5}{192}a^{10}-\frac{341}{768}a^{8}-\frac{133}{288}a^{6}+\frac{1}{8}a^{4}+\frac{1}{6}a^{2}+\frac{1}{9}$, $\frac{1}{4608}a^{25}+\frac{1}{1536}a^{23}-\frac{7}{1536}a^{21}+\frac{41}{2304}a^{19}-\frac{115}{1536}a^{17}+\frac{359}{768}a^{15}+\frac{677}{2304}a^{13}+\frac{187}{384}a^{11}+\frac{427}{1536}a^{9}+\frac{155}{576}a^{7}-\frac{7}{16}a^{5}+\frac{1}{12}a^{3}+\frac{1}{18}a$, $\frac{1}{9216}a^{26}-\frac{1}{9216}a^{24}+\frac{5}{3072}a^{22}-\frac{37}{4608}a^{20}+\frac{239}{9216}a^{18}+\frac{29}{1536}a^{16}+\frac{761}{4608}a^{14}-\frac{193}{2304}a^{12}-\frac{375}{1024}a^{10}+\frac{805}{2304}a^{8}-\frac{49}{576}a^{6}+\frac{1}{3}a^{4}-\frac{17}{36}a^{2}+\frac{2}{9}$, $\frac{1}{18432}a^{27}-\frac{1}{18432}a^{25}+\frac{5}{6144}a^{23}-\frac{37}{9216}a^{21}+\frac{239}{18432}a^{19}+\frac{29}{3072}a^{17}+\frac{761}{9216}a^{15}+\frac{2111}{4608}a^{13}-\frac{375}{2048}a^{11}+\frac{805}{4608}a^{9}+\frac{527}{1152}a^{7}-\frac{1}{3}a^{5}+\frac{19}{72}a^{3}+\frac{1}{9}a$, $\frac{1}{700416}a^{28}+\frac{1}{233472}a^{26}-\frac{37}{700416}a^{24}+\frac{305}{350208}a^{22}-\frac{321}{77824}a^{20}-\frac{12539}{350208}a^{18}+\frac{43949}{350208}a^{16}+\frac{3283}{58368}a^{14}+\frac{243425}{700416}a^{12}+\frac{20771}{87552}a^{10}+\frac{2345}{4864}a^{8}+\frac{3257}{10944}a^{6}+\frac{973}{2736}a^{4}+\frac{23}{228}a^{2}+\frac{23}{171}$, $\frac{1}{1400832}a^{29}+\frac{1}{466944}a^{27}-\frac{37}{1400832}a^{25}+\frac{305}{700416}a^{23}-\frac{321}{155648}a^{21}-\frac{12539}{700416}a^{19}+\frac{43949}{700416}a^{17}-\frac{55085}{116736}a^{15}-\frac{456991}{1400832}a^{13}+\frac{20771}{175104}a^{11}+\frac{2345}{9728}a^{9}-\frac{7687}{21888}a^{7}-\frac{1763}{5472}a^{5}-\frac{205}{456}a^{3}+\frac{23}{342}a$, $\frac{1}{669597696}a^{30}+\frac{157}{223199232}a^{28}-\frac{20521}{669597696}a^{26}-\frac{6635}{111599616}a^{24}+\frac{576949}{223199232}a^{22}+\frac{2497963}{334798848}a^{20}+\frac{942107}{111599616}a^{18}+\frac{117923}{2936832}a^{16}+\frac{50206769}{669597696}a^{14}-\frac{2330135}{55799808}a^{12}-\frac{2291539}{13949952}a^{10}-\frac{1458121}{10462464}a^{8}+\frac{268625}{871872}a^{6}-\frac{46105}{217968}a^{4}+\frac{58541}{163476}a^{2}-\frac{1432}{40869}$, $\frac{1}{1339195392}a^{31}+\frac{157}{446398464}a^{29}-\frac{20521}{1339195392}a^{27}-\frac{6635}{223199232}a^{25}+\frac{576949}{446398464}a^{23}+\frac{2497963}{669597696}a^{21}+\frac{942107}{223199232}a^{19}+\frac{117923}{5873664}a^{17}+\frac{50206769}{1339195392}a^{15}-\frac{2330135}{111599616}a^{13}-\frac{2291539}{27899904}a^{11}+\frac{9004343}{20924928}a^{9}-\frac{603247}{1743744}a^{7}+\frac{171863}{435936}a^{5}+\frac{58541}{326952}a^{3}-\frac{716}{40869}a$ Copy content Toggle raw display

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

Monogenic:  No
Index:  Not computed
Inessential primes:  $2$

Class group and class number

$C_{4}\times C_{4}$, which has order $16$ (assuming GRH)

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:  $15$
sage: UK.rank()
 
gp: K.fu
 
magma: UnitRank(K);
 
oscar: rank(UK)
 
Torsion generator:   \( -\frac{113743}{669597696} a^{31} + \frac{930041}{669597696} a^{29} - \frac{374675}{74399744} a^{27} + \frac{142897}{8810496} a^{25} - \frac{30438373}{669597696} a^{23} + \frac{6160595}{55799808} a^{21} - \frac{4125595}{17620992} a^{19} + \frac{18279485}{41849856} a^{17} - \frac{160684685}{223199232} a^{15} + \frac{17595125}{17620992} a^{13} - \frac{89290565}{83699712} a^{11} + \frac{2441033}{3487488} a^{9} + \frac{86357}{275328} a^{7} - \frac{2488325}{1307808} a^{5} + \frac{506723}{108984} a^{3} - \frac{575189}{81738} a \)  (order $60$) 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:   $\frac{61}{73728}a^{30}-\frac{283}{73728}a^{28}+\frac{785}{73728}a^{26}-\frac{505}{18432}a^{24}+\frac{4127}{73728}a^{22}-\frac{1435}{18432}a^{20}+\frac{307}{36864}a^{18}+\frac{1625}{4608}a^{16}-\frac{102715}{73728}a^{14}+\frac{141859}{36864}a^{12}-\frac{78785}{9216}a^{10}+\frac{18143}{1152}a^{8}-\frac{14141}{576}a^{6}+\frac{4735}{144}a^{4}-\frac{1451}{36}a^{2}+\frac{260}{9}$, $\frac{434285}{669597696}a^{30}-\frac{1685821}{669597696}a^{28}+\frac{4563475}{669597696}a^{26}-\frac{1851235}{111599616}a^{24}+\frac{20057795}{669597696}a^{22}-\frac{9391501}{334798848}a^{20}-\frac{6719689}{111599616}a^{18}+\frac{3357833}{8810496}a^{16}-\frac{815089283}{669597696}a^{14}+\frac{171104303}{55799808}a^{12}-\frac{267220387}{41849856}a^{10}+\frac{118148851}{10462464}a^{8}-\frac{2449631}{145312}a^{6}+\frac{7077277}{326952}a^{4}-\frac{4232759}{163476}a^{2}+\frac{593242}{40869}$, $\frac{55343}{223199232}a^{30}-\frac{1415065}{669597696}a^{28}+\frac{2406133}{223199232}a^{26}-\frac{13645795}{334798848}a^{24}+\frac{88133195}{669597696}a^{22}-\frac{13937639}{37199872}a^{20}+\frac{315709577}{334798848}a^{18}-\frac{355555771}{167399424}a^{16}+\frac{50661973}{11747328}a^{14}-\frac{661489825}{83699712}a^{12}+\frac{544103021}{41849856}a^{10}-\frac{22011335}{1162496}a^{8}+\frac{63451033}{2615616}a^{6}-\frac{17340403}{653904}a^{4}+\frac{620701}{27246}a^{2}-\frac{519977}{40869}$, $\frac{127567}{669597696}a^{31}-\frac{516305}{669597696}a^{29}+\frac{134739}{74399744}a^{27}-\frac{31933}{8810496}a^{25}+\frac{2232685}{669597696}a^{23}+\frac{693779}{55799808}a^{21}-\frac{1408025}{17620992}a^{19}+\frac{11776795}{41849856}a^{17}-\frac{169961315}{223199232}a^{15}+\frac{30872695}{17620992}a^{13}-\frac{146130053}{41849856}a^{11}+\frac{41965541}{6974976}a^{9}-\frac{2466665}{275328}a^{7}+\frac{14984921}{1307808}a^{5}-\frac{696091}{54492}a^{3}+\frac{352885}{40869}a-1$, $\frac{2255}{27899904}a^{31}-\frac{382433}{669597696}a^{30}-\frac{179143}{334798848}a^{29}+\frac{2394533}{669597696}a^{28}+\frac{726875}{334798848}a^{27}-\frac{2641313}{223199232}a^{26}-\frac{279289}{37199872}a^{25}+\frac{11916155}{334798848}a^{24}+\frac{3755287}{167399424}a^{23}-\frac{61536583}{669597696}a^{22}-\frac{19615645}{334798848}a^{21}+\frac{22297981}{111599616}a^{20}+\frac{7534027}{55799808}a^{19}-\frac{121500229}{334798848}a^{18}-\frac{46616015}{167399424}a^{17}+\frac{86992523}{167399424}a^{16}+\frac{21609055}{41849856}a^{15}-\frac{116128139}{223199232}a^{14}-\frac{94975969}{111599616}a^{13}-\frac{3506885}{41849856}a^{12}+\frac{6399365}{5231232}a^{11}+\frac{83573735}{41849856}a^{10}-\frac{62084}{40869}a^{9}-\frac{3271465}{581248}a^{8}+\frac{431325}{290624}a^{7}+\frac{28923913}{2615616}a^{6}-\frac{99625}{81738}a^{5}-\frac{2784775}{163476}a^{4}+\frac{6082}{40869}a^{3}+\frac{1310591}{54492}a^{2}+\frac{22687}{27246}a-\frac{316697}{13623}$, $\frac{110905}{446398464}a^{31}+\frac{106583}{223199232}a^{30}-\frac{161107}{148799488}a^{29}-\frac{265691}{223199232}a^{28}+\frac{5547125}{1339195392}a^{27}+\frac{115543}{669597696}a^{26}-\frac{9136655}{669597696}a^{25}+\frac{2703661}{334798848}a^{24}+\frac{5747021}{148799488}a^{23}-\frac{3620405}{74399744}a^{22}-\frac{66204755}{669597696}a^{21}+\frac{64323737}{334798848}a^{20}+\frac{151494331}{669597696}a^{19}-\frac{204216695}{334798848}a^{18}-\frac{53019985}{111599616}a^{17}+\frac{90276311}{55799808}a^{16}+\frac{1221020027}{1339195392}a^{15}-\frac{2490957755}{669597696}a^{14}-\frac{526261993}{334798848}a^{13}+\frac{642994291}{83699712}a^{12}+\frac{8678395}{3487488}a^{11}-\frac{48901553}{3487488}a^{10}-\frac{143456}{40869}a^{9}+\frac{236145985}{10462464}a^{8}+\frac{11947045}{2615616}a^{7}-\frac{41396765}{1307808}a^{6}-\frac{27647}{5736}a^{5}+\frac{4200301}{108984}a^{4}+\frac{143293}{40869}a^{3}-\frac{3348637}{81738}a^{2}-\frac{287941}{81738}a+\frac{994652}{40869}$, $\frac{23601}{74399744}a^{31}-\frac{54789}{74399744}a^{29}+\frac{169795}{669597696}a^{27}+\frac{1386353}{334798848}a^{25}-\frac{6108787}{223199232}a^{23}+\frac{36629585}{334798848}a^{21}-\frac{116271319}{334798848}a^{19}+\frac{901675}{978944}a^{17}-\frac{1418296055}{669597696}a^{15}+\frac{91365413}{20924928}a^{13}-\frac{221264615}{27899904}a^{11}+\frac{132842971}{10462464}a^{9}-\frac{46326431}{2615616}a^{7}+\frac{9339065}{435936}a^{5}-\frac{7440007}{326952}a^{3}+\frac{504166}{40869}a+1$, $\frac{7793}{37199872}a^{30}-\frac{16789}{37199872}a^{28}-\frac{31055}{111599616}a^{26}+\frac{780025}{167399424}a^{24}-\frac{967601}{37199872}a^{22}+\frac{5423315}{55799808}a^{20}-\frac{49347239}{167399424}a^{18}+\frac{377555}{489472}a^{16}-\frac{194937725}{111599616}a^{14}+\frac{74331437}{20924928}a^{12}-\frac{29691085}{4649984}a^{10}+\frac{17658697}{1743744}a^{8}-\frac{36803939}{2615616}a^{6}+\frac{1220115}{72656}a^{4}-\frac{958381}{54492}a^{2}+\frac{402916}{40869}$, $\frac{92519}{111599616}a^{30}-\frac{2209145}{334798848}a^{28}+\frac{10357727}{334798848}a^{26}-\frac{6375181}{55799808}a^{24}+\frac{120252835}{334798848}a^{22}-\frac{166204475}{167399424}a^{20}+\frac{135819131}{55799808}a^{18}-\frac{446998631}{83699712}a^{16}+\frac{186605687}{17620992}a^{14}-\frac{21956855}{1162496}a^{12}+\frac{315989207}{10462464}a^{10}-\frac{223699489}{5231232}a^{8}+\frac{46334887}{871872}a^{6}-\frac{9219241}{163476}a^{4}+\frac{3693131}{81738}a^{2}-\frac{293627}{13623}$, $\frac{833}{23494656}a^{31}-\frac{587141}{1339195392}a^{29}+\frac{385851}{148799488}a^{27}-\frac{6770927}{669597696}a^{25}+\frac{44319679}{1339195392}a^{23}-\frac{21501017}{223199232}a^{21}+\frac{162510949}{669597696}a^{19}-\frac{183009143}{334798848}a^{17}+\frac{495875443}{446398464}a^{15}-\frac{335062403}{167399424}a^{13}+\frac{271461943}{83699712}a^{11}-\frac{10772607}{2324992}a^{9}+\frac{14716789}{2615616}a^{7}-\frac{3914353}{653904}a^{5}+\frac{509045}{108984}a^{3}-\frac{61742}{40869}a$, $\frac{5243}{111599616}a^{31}-\frac{243943}{334798848}a^{29}+\frac{351791}{111599616}a^{27}-\frac{933199}{83699712}a^{25}+\frac{11722067}{334798848}a^{23}-\frac{2646557}{27899904}a^{21}+\frac{37079299}{167399424}a^{19}-\frac{9583081}{20924928}a^{17}+\frac{31822177}{37199872}a^{15}-\frac{234249377}{167399424}a^{13}+\frac{40499495}{20924928}a^{11}-\frac{16026269}{6974976}a^{9}+\frac{11083829}{5231232}a^{7}-\frac{614195}{653904}a^{5}-\frac{30073}{36328}a^{3}+\frac{147283}{40869}a$, $\frac{48385}{83699712}a^{31}-\frac{302549}{669597696}a^{30}-\frac{76249}{20924928}a^{29}+\frac{387005}{669597696}a^{28}+\frac{1060867}{83699712}a^{27}+\frac{2106893}{669597696}a^{26}-\frac{43375}{1101312}a^{25}-\frac{2281025}{111599616}a^{24}+\frac{1101283}{10462464}a^{23}+\frac{59363045}{669597696}a^{22}-\frac{20321501}{83699712}a^{21}-\frac{102152615}{334798848}a^{20}+\frac{2117285}{4405248}a^{19}+\frac{98744465}{111599616}a^{18}-\frac{527579}{653904}a^{17}-\frac{371284735}{167399424}a^{16}+\frac{95689735}{83699712}a^{15}+\frac{3285135323}{669597696}a^{14}-\frac{5015065}{4405248}a^{13}-\frac{544668565}{55799808}a^{12}+\frac{14348741}{83699712}a^{11}+\frac{361452463}{20924928}a^{10}+\frac{23349695}{10462464}a^{9}-\frac{8841059}{326952}a^{8}-\frac{436063}{68832}a^{7}+\frac{10755705}{290624}a^{6}+\frac{14820335}{1307808}a^{5}-\frac{1515865}{34416}a^{4}-\frac{2984905}{163476}a^{3}+\frac{7426097}{163476}a^{2}+\frac{771053}{40869}a-\frac{1032430}{40869}$, $\frac{37909}{167399424}a^{31}+\frac{112637}{111599616}a^{30}-\frac{7487}{41849856}a^{29}-\frac{2243965}{334798848}a^{28}-\frac{93491}{41849856}a^{27}+\frac{3219901}{111599616}a^{26}+\frac{746425}{55799808}a^{25}-\frac{4231139}{41849856}a^{24}-\frac{9469769}{167399424}a^{23}+\frac{102178877}{334798848}a^{22}+\frac{32123761}{167399424}a^{21}-\frac{11342611}{13949952}a^{20}-\frac{15454951}{27899904}a^{19}+\frac{321761785}{167399424}a^{18}+\frac{115814201}{83699712}a^{17}-\frac{170762075}{41849856}a^{16}-\frac{510823307}{167399424}a^{15}+\frac{875134373}{111599616}a^{14}+\frac{339358951}{55799808}a^{13}-\frac{2265417437}{167399424}a^{12}-\frac{900722725}{83699712}a^{11}+\frac{436386533}{20924928}a^{10}+\frac{175848859}{10462464}a^{9}-\frac{33033047}{1162496}a^{8}-\frac{13382337}{581248}a^{7}+\frac{44114819}{1307808}a^{6}+\frac{35533505}{1307808}a^{5}-\frac{22161593}{653904}a^{4}-\frac{8951479}{326952}a^{3}+\frac{423431}{18164}a^{2}+\frac{1252561}{81738}a-\frac{342866}{40869}$, $\frac{687083}{669597696}a^{31}-\frac{40499}{41849856}a^{30}-\frac{1290263}{223199232}a^{29}+\frac{109601}{20924928}a^{28}+\frac{13282951}{669597696}a^{27}-\frac{81417}{4649984}a^{26}-\frac{179791}{2936832}a^{25}+\frac{547397}{10462464}a^{24}+\frac{36321899}{223199232}a^{23}-\frac{2822359}{20924928}a^{22}-\frac{62269607}{167399424}a^{21}+\frac{1383697}{4649984}a^{20}+\frac{4256017}{5873664}a^{19}-\frac{23117263}{41849856}a^{18}-\frac{5578669}{4649984}a^{17}+\frac{8867449}{10462464}a^{16}+\frac{1101866515}{669597696}a^{15}-\frac{14110291}{13949952}a^{14}-\frac{2887453}{1957888}a^{13}+\frac{20655671}{41849856}a^{12}-\frac{3409519}{13949952}a^{11}+\frac{64243399}{41849856}a^{10}+\frac{706039}{163476}a^{9}-\frac{19791203}{3487488}a^{8}-\frac{1013173}{91776}a^{7}+\frac{31182233}{2615616}a^{6}+\frac{523175}{27246}a^{5}-\frac{3137663}{163476}a^{4}-\frac{9914695}{326952}a^{3}+\frac{786757}{27246}a^{2}+\frac{1118197}{40869}a-\frac{1033307}{40869}$, $\frac{419777}{446398464}a^{31}+\frac{178859}{167399424}a^{30}-\frac{340313}{70483968}a^{29}-\frac{1485277}{167399424}a^{28}+\frac{7499543}{446398464}a^{27}+\frac{6428147}{167399424}a^{26}-\frac{34911299}{669597696}a^{25}-\frac{2848447}{20924928}a^{24}+\frac{185677309}{1339195392}a^{23}+\frac{69609533}{167399424}a^{22}-\frac{71398213}{223199232}a^{21}-\frac{46607947}{41849856}a^{20}+\frac{428614339}{669597696}a^{19}+\frac{220907735}{83699712}a^{18}-\frac{371084111}{334798848}a^{17}-\frac{117007481}{20924928}a^{16}+\frac{738852529}{446398464}a^{15}+\frac{1790753435}{167399424}a^{14}-\frac{639955783}{334798848}a^{13}-\frac{1533241363}{83699712}a^{12}+\frac{103669951}{83699712}a^{11}+\frac{1164296249}{41849856}a^{10}+\frac{3260797}{3487488}a^{9}-\frac{388108465}{10462464}a^{8}-\frac{12519719}{2615616}a^{7}+\frac{27802867}{653904}a^{6}+\frac{6592223}{653904}a^{5}-\frac{26673571}{653904}a^{4}-\frac{1989065}{108984}a^{3}+\frac{982745}{40869}a^{2}+\frac{611641}{40869}a+\frac{106334}{40869}$ Copy content Toggle raw display (assuming GRH)
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:  \( 43671525522.024 \) (assuming GRH)
sage: K.regulator()
 
gp: K.reg
 
magma: Regulator(K);
 
oscar: regulator(K)
 

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{16}\cdot 43671525522.024 \cdot 16}{60\cdot\sqrt{87993561227221187133696000000000000000000000000}}\cr\approx \mathstrut & 0.23164319240278 \end{aligned}\] (assuming GRH)

# self-contained SageMath code snippet to compute the analytic class number formula
 
x = polygen(QQ); K.<a> = NumberField(x^32 - 5*x^30 + 19*x^28 - 70*x^26 + 215*x^24 - 590*x^22 + 1466*x^20 - 3340*x^18 + 7009*x^16 - 13360*x^14 + 23456*x^12 - 37760*x^10 + 55040*x^8 - 71680*x^6 + 77824*x^4 - 81920*x^2 + 65536)
 
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^32 - 5*x^30 + 19*x^28 - 70*x^26 + 215*x^24 - 590*x^22 + 1466*x^20 - 3340*x^18 + 7009*x^16 - 13360*x^14 + 23456*x^12 - 37760*x^10 + 55040*x^8 - 71680*x^6 + 77824*x^4 - 81920*x^2 + 65536, 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^32 - 5*x^30 + 19*x^28 - 70*x^26 + 215*x^24 - 590*x^22 + 1466*x^20 - 3340*x^18 + 7009*x^16 - 13360*x^14 + 23456*x^12 - 37760*x^10 + 55040*x^8 - 71680*x^6 + 77824*x^4 - 81920*x^2 + 65536);
 
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^32 - 5*x^30 + 19*x^28 - 70*x^26 + 215*x^24 - 590*x^22 + 1466*x^20 - 3340*x^18 + 7009*x^16 - 13360*x^14 + 23456*x^12 - 37760*x^10 + 55040*x^8 - 71680*x^6 + 77824*x^4 - 81920*x^2 + 65536);
 
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

$C_2^4:C_4$ (as 32T262):

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 solvable group of order 64
The 40 conjugacy class representatives for $C_2^4:C_4$
Character table for $C_2^4:C_4$ is not computed

Intermediate fields

\(\Q(\sqrt{5}) \), \(\Q(\sqrt{-5}) \), \(\Q(\sqrt{-3}) \), \(\Q(\sqrt{3}) \), \(\Q(\sqrt{-1}) \), \(\Q(\sqrt{15}) \), \(\Q(\sqrt{-15}) \), \(\Q(\zeta_{5})\), \(\Q(\zeta_{20})^+\), 4.0.147600.1, 4.4.9225.1, 4.4.16400.1, 4.0.1025.1, \(\Q(\zeta_{15})^+\), 4.0.18000.1, \(\Q(i, \sqrt{15})\), \(\Q(i, \sqrt{5})\), \(\Q(\zeta_{12})\), 4.4.738000.1, 4.0.82000.1, \(\Q(\sqrt{3}, \sqrt{5})\), \(\Q(\sqrt{-3}, \sqrt{-5})\), \(\Q(\sqrt{-3}, \sqrt{5})\), \(\Q(\sqrt{3}, \sqrt{-5})\), 4.4.5125.1, 4.0.46125.1, 8.0.544644000000.20, 8.0.6724000000.12, 8.0.12960000.1, 8.0.544644000000.39, 8.8.544644000000.2, 8.0.544644000000.3, 8.0.2127515625.3, \(\Q(\zeta_{20})\), 8.0.21785760000.1, 8.0.268960000.3, 8.0.324000000.1, 8.0.544644000000.28, 8.8.544644000000.1, 8.8.544644000000.3, 8.0.544644000000.7, 8.0.6724000000.7, 8.0.6724000000.3, 8.0.544644000000.16, 8.0.544644000000.25, 8.8.21785760000.1, 8.0.21785760000.2, \(\Q(\zeta_{60})^+\), 8.0.324000000.3, 8.0.21785760000.9, 8.0.85100625.1, \(\Q(\zeta_{15})\), 8.0.324000000.2, 8.8.6724000000.1, 8.0.26265625.1, 8.8.2127515625.1, 8.0.544644000000.32, 8.0.544644000000.12, 8.0.2127515625.1, 8.0.2127515625.2, 8.0.544644000000.35, 16.0.296637086736000000000000.7, 16.0.296637086736000000000000.9, 16.0.296637086736000000000000.8, 16.0.45212176000000000000.9, 16.0.296637086736000000000000.3, 16.0.474619338777600000000.1, \(\Q(\zeta_{60})\), 16.0.296637086736000000000000.10, 16.0.296637086736000000000000.5, 16.16.296637086736000000000000.1, 16.0.296637086736000000000000.6, 16.0.296637086736000000000000.4, 16.0.296637086736000000000000.1, 16.0.296637086736000000000000.2, 16.0.4526322734619140625.1

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]
 

Sibling fields

Degree 32 siblings: data not computed
Minimal sibling: This field is its own minimal sibling

Frobenius cycle types

$p$ $2$ $3$ $5$ $7$ $11$ $13$ $17$ $19$ $23$ $29$ $31$ $37$ $41$ $43$ $47$ $53$ $59$
Cycle type R R R ${\href{/padicField/7.4.0.1}{4} }^{8}$ ${\href{/padicField/11.2.0.1}{2} }^{16}$ ${\href{/padicField/13.4.0.1}{4} }^{8}$ ${\href{/padicField/17.4.0.1}{4} }^{8}$ ${\href{/padicField/19.2.0.1}{2} }^{16}$ ${\href{/padicField/23.4.0.1}{4} }^{8}$ ${\href{/padicField/29.2.0.1}{2} }^{16}$ ${\href{/padicField/31.2.0.1}{2} }^{16}$ ${\href{/padicField/37.4.0.1}{4} }^{8}$ R ${\href{/padicField/43.4.0.1}{4} }^{8}$ ${\href{/padicField/47.4.0.1}{4} }^{8}$ ${\href{/padicField/53.4.0.1}{4} }^{8}$ ${\href{/padicField/59.2.0.1}{2} }^{16}$

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
\(2\) Copy content Toggle raw display 2.8.8.1$x^{8} + 8 x^{7} + 32 x^{6} + 82 x^{5} + 148 x^{4} + 184 x^{3} + 137 x^{2} + 44 x + 5$$2$$4$$8$$C_4\times C_2$$[2]^{4}$
2.8.8.1$x^{8} + 8 x^{7} + 32 x^{6} + 82 x^{5} + 148 x^{4} + 184 x^{3} + 137 x^{2} + 44 x + 5$$2$$4$$8$$C_4\times C_2$$[2]^{4}$
2.8.8.1$x^{8} + 8 x^{7} + 32 x^{6} + 82 x^{5} + 148 x^{4} + 184 x^{3} + 137 x^{2} + 44 x + 5$$2$$4$$8$$C_4\times C_2$$[2]^{4}$
2.8.8.1$x^{8} + 8 x^{7} + 32 x^{6} + 82 x^{5} + 148 x^{4} + 184 x^{3} + 137 x^{2} + 44 x + 5$$2$$4$$8$$C_4\times C_2$$[2]^{4}$
\(3\) Copy content Toggle raw display 3.8.4.1$x^{8} + 4 x^{7} + 16 x^{6} + 36 x^{5} + 94 x^{4} + 116 x^{3} + 144 x^{2} + 36 x + 229$$2$$4$$4$$C_4\times C_2$$[\ ]_{2}^{4}$
3.8.4.1$x^{8} + 4 x^{7} + 16 x^{6} + 36 x^{5} + 94 x^{4} + 116 x^{3} + 144 x^{2} + 36 x + 229$$2$$4$$4$$C_4\times C_2$$[\ ]_{2}^{4}$
3.8.4.1$x^{8} + 4 x^{7} + 16 x^{6} + 36 x^{5} + 94 x^{4} + 116 x^{3} + 144 x^{2} + 36 x + 229$$2$$4$$4$$C_4\times C_2$$[\ ]_{2}^{4}$
3.8.4.1$x^{8} + 4 x^{7} + 16 x^{6} + 36 x^{5} + 94 x^{4} + 116 x^{3} + 144 x^{2} + 36 x + 229$$2$$4$$4$$C_4\times C_2$$[\ ]_{2}^{4}$
\(5\) Copy content Toggle raw display 5.8.6.1$x^{8} + 16 x^{7} + 104 x^{6} + 352 x^{5} + 674 x^{4} + 784 x^{3} + 776 x^{2} + 928 x + 721$$4$$2$$6$$C_4\times C_2$$[\ ]_{4}^{2}$
5.8.6.1$x^{8} + 16 x^{7} + 104 x^{6} + 352 x^{5} + 674 x^{4} + 784 x^{3} + 776 x^{2} + 928 x + 721$$4$$2$$6$$C_4\times C_2$$[\ ]_{4}^{2}$
5.8.6.1$x^{8} + 16 x^{7} + 104 x^{6} + 352 x^{5} + 674 x^{4} + 784 x^{3} + 776 x^{2} + 928 x + 721$$4$$2$$6$$C_4\times C_2$$[\ ]_{4}^{2}$
5.8.6.1$x^{8} + 16 x^{7} + 104 x^{6} + 352 x^{5} + 674 x^{4} + 784 x^{3} + 776 x^{2} + 928 x + 721$$4$$2$$6$$C_4\times C_2$$[\ ]_{4}^{2}$
\(41\) Copy content Toggle raw display 41.2.0.1$x^{2} + 38 x + 6$$1$$2$$0$$C_2$$[\ ]^{2}$
41.2.0.1$x^{2} + 38 x + 6$$1$$2$$0$$C_2$$[\ ]^{2}$
41.2.0.1$x^{2} + 38 x + 6$$1$$2$$0$$C_2$$[\ ]^{2}$
41.2.0.1$x^{2} + 38 x + 6$$1$$2$$0$$C_2$$[\ ]^{2}$
41.2.0.1$x^{2} + 38 x + 6$$1$$2$$0$$C_2$$[\ ]^{2}$
41.2.0.1$x^{2} + 38 x + 6$$1$$2$$0$$C_2$$[\ ]^{2}$
41.2.0.1$x^{2} + 38 x + 6$$1$$2$$0$$C_2$$[\ ]^{2}$
41.2.0.1$x^{2} + 38 x + 6$$1$$2$$0$$C_2$$[\ ]^{2}$
41.4.2.1$x^{4} + 1962 x^{3} + 998289 x^{2} + 35245368 x + 7080121$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
41.4.2.1$x^{4} + 1962 x^{3} + 998289 x^{2} + 35245368 x + 7080121$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
41.4.2.1$x^{4} + 1962 x^{3} + 998289 x^{2} + 35245368 x + 7080121$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$
41.4.2.1$x^{4} + 1962 x^{3} + 998289 x^{2} + 35245368 x + 7080121$$2$$2$$2$$C_2^2$$[\ ]_{2}^{2}$