Properties

Label 32.0.138...000.1
Degree $32$
Signature $[0, 16]$
Discriminant $1.390\times 10^{53}$
Root discriminant \(45.78\)
Ramified primes $2,5,13$
Class number $64$ (GRH)
Class group [4, 4, 4] (GRH)
Galois group $C_2\times C_4^2$ (as 32T36)

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Normalized defining polynomial

sage: x = polygen(QQ); K.<a> = NumberField(x^32 + 3*x^30 - 9*x^28 - 85*x^26 - 114*x^24 - 1521*x^22 - 2090*x^20 + 22329*x^18 + 111717*x^16 - 44722*x^14 - 41235*x^12 + 33462*x^10 + 16051*x^8 + 13275*x^6 - 11826*x^4 - 2916*x^2 + 6561)
 
gp: K = bnfinit(y^32 + 3*y^30 - 9*y^28 - 85*y^26 - 114*y^24 - 1521*y^22 - 2090*y^20 + 22329*y^18 + 111717*y^16 - 44722*y^14 - 41235*y^12 + 33462*y^10 + 16051*y^8 + 13275*y^6 - 11826*y^4 - 2916*y^2 + 6561, 1)
 
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^32 + 3*x^30 - 9*x^28 - 85*x^26 - 114*x^24 - 1521*x^22 - 2090*x^20 + 22329*x^18 + 111717*x^16 - 44722*x^14 - 41235*x^12 + 33462*x^10 + 16051*x^8 + 13275*x^6 - 11826*x^4 - 2916*x^2 + 6561);
 
oscar: Qx, x = PolynomialRing(QQ); K, a = NumberField(x^32 + 3*x^30 - 9*x^28 - 85*x^26 - 114*x^24 - 1521*x^22 - 2090*x^20 + 22329*x^18 + 111717*x^16 - 44722*x^14 - 41235*x^12 + 33462*x^10 + 16051*x^8 + 13275*x^6 - 11826*x^4 - 2916*x^2 + 6561)
 

\( x^{32} + 3 x^{30} - 9 x^{28} - 85 x^{26} - 114 x^{24} - 1521 x^{22} - 2090 x^{20} + 22329 x^{18} + \cdots + 6561 \) 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:   \(138956997215838851269528412416000000000000000000000000\) \(\medspace = 2^{32}\cdot 5^{24}\cdot 13^{24}\) 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:  \(45.78\)
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:  $2\cdot 5^{3/4}13^{3/4}\approx 45.78413496570207$
Ramified primes:   \(2\), \(5\), \(13\) 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:  \(\Q\)
$\card{ \Gal(K/\Q) }$:  $32$
sage: K.automorphisms()
 
magma: Automorphisms(K);
 
oscar: automorphisms(K)
 
This field is Galois and abelian over $\Q$.
Conductor:  \(260=2^{2}\cdot 5\cdot 13\)
Dirichlet character group:    $\lbrace$$\chi_{260}(1,·)$, $\chi_{260}(259,·)$, $\chi_{260}(129,·)$, $\chi_{260}(131,·)$, $\chi_{260}(21,·)$, $\chi_{260}(151,·)$, $\chi_{260}(27,·)$, $\chi_{260}(157,·)$, $\chi_{260}(31,·)$, $\chi_{260}(161,·)$, $\chi_{260}(47,·)$, $\chi_{260}(177,·)$, $\chi_{260}(51,·)$, $\chi_{260}(53,·)$, $\chi_{260}(183,·)$, $\chi_{260}(57,·)$, $\chi_{260}(187,·)$, $\chi_{260}(181,·)$, $\chi_{260}(73,·)$, $\chi_{260}(203,·)$, $\chi_{260}(77,·)$, $\chi_{260}(79,·)$, $\chi_{260}(209,·)$, $\chi_{260}(83,·)$, $\chi_{260}(213,·)$, $\chi_{260}(207,·)$, $\chi_{260}(99,·)$, $\chi_{260}(229,·)$, $\chi_{260}(103,·)$, $\chi_{260}(233,·)$, $\chi_{260}(109,·)$, $\chi_{260}(239,·)$$\rbrace$
This is a CM field.
Reflex fields:  unavailable$^{32768}$

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

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $\frac{1}{3}a^{9}-\frac{1}{3}a^{7}+\frac{1}{3}a^{5}-\frac{1}{3}a^{3}+\frac{1}{3}a$, $\frac{1}{3}a^{10}-\frac{1}{3}a^{8}+\frac{1}{3}a^{6}-\frac{1}{3}a^{4}+\frac{1}{3}a^{2}$, $\frac{1}{3}a^{11}+\frac{1}{3}a$, $\frac{1}{3}a^{12}+\frac{1}{3}a^{2}$, $\frac{1}{3}a^{13}+\frac{1}{3}a^{3}$, $\frac{1}{3}a^{14}+\frac{1}{3}a^{4}$, $\frac{1}{3}a^{15}+\frac{1}{3}a^{5}$, $\frac{1}{3}a^{16}+\frac{1}{3}a^{6}$, $\frac{1}{3}a^{17}+\frac{1}{3}a^{7}$, $\frac{1}{9}a^{18}+\frac{1}{9}a^{16}-\frac{1}{9}a^{12}-\frac{1}{9}a^{10}+\frac{2}{9}a^{8}+\frac{1}{9}a^{4}-\frac{2}{9}a^{2}$, $\frac{1}{27}a^{19}-\frac{2}{27}a^{17}+\frac{1}{9}a^{15}-\frac{4}{27}a^{13}-\frac{4}{27}a^{11}-\frac{4}{27}a^{9}+\frac{4}{9}a^{7}-\frac{11}{27}a^{5}+\frac{1}{27}a^{3}+\frac{1}{3}a$, $\frac{1}{108}a^{20}+\frac{1}{27}a^{18}-\frac{1}{27}a^{14}+\frac{2}{27}a^{12}-\frac{1}{108}a^{10}-\frac{1}{9}a^{8}+\frac{4}{27}a^{6}+\frac{13}{27}a^{4}+\frac{2}{9}a^{2}-\frac{1}{4}$, $\frac{1}{108}a^{21}+\frac{2}{27}a^{17}-\frac{4}{27}a^{15}-\frac{1}{9}a^{13}+\frac{5}{36}a^{11}+\frac{1}{27}a^{9}-\frac{8}{27}a^{7}-\frac{1}{9}a^{5}-\frac{4}{27}a^{3}+\frac{5}{12}a$, $\frac{1}{108}a^{22}-\frac{1}{27}a^{18}+\frac{2}{27}a^{16}-\frac{1}{9}a^{14}-\frac{1}{12}a^{12}+\frac{4}{27}a^{10}+\frac{13}{27}a^{8}+\frac{2}{9}a^{6}-\frac{7}{27}a^{4}+\frac{11}{36}a^{2}$, $\frac{1}{108}a^{23}+\frac{11}{108}a^{13}+\frac{1}{108}a^{3}$, $\frac{1}{108}a^{24}+\frac{11}{108}a^{14}+\frac{1}{108}a^{4}$, $\frac{1}{108}a^{25}+\frac{11}{108}a^{15}+\frac{1}{108}a^{5}$, $\frac{1}{1456295763348}a^{26}+\frac{436656233}{242715960558}a^{24}-\frac{8598646}{40452660093}a^{22}+\frac{162482033}{40452660093}a^{20}+\frac{491600858}{13484220031}a^{18}+\frac{123874714055}{1456295763348}a^{16}-\frac{18370971659}{242715960558}a^{14}+\frac{5004295789}{40452660093}a^{12}+\frac{1877518436}{13484220031}a^{10}+\frac{14849052893}{40452660093}a^{8}-\frac{229642858259}{1456295763348}a^{6}+\frac{115372803131}{242715960558}a^{4}+\frac{1952193478}{13484220031}a^{2}-\frac{1226994442}{13484220031}$, $\frac{1}{1456295763348}a^{27}+\frac{436656233}{242715960558}a^{25}-\frac{8598646}{40452660093}a^{23}+\frac{162482033}{40452660093}a^{21}-\frac{210996865}{364073940837}a^{19}+\frac{231748474303}{1456295763348}a^{17}+\frac{35565908465}{242715960558}a^{15}-\frac{22382438054}{364073940837}a^{13}-\frac{16728102383}{364073940837}a^{11}-\frac{55137604397}{364073940837}a^{9}+\frac{93978422485}{1456295763348}a^{7}-\frac{328092592157}{728147881674}a^{5}+\frac{160582984154}{364073940837}a^{3}-\frac{17165203357}{40452660093}a$, $\frac{1}{4368887290044}a^{28}-\frac{756717713}{1456295763348}a^{24}-\frac{8397050963}{2184443645022}a^{22}-\frac{3173183095}{1456295763348}a^{20}+\frac{5400358661}{161810640372}a^{18}-\frac{168127493225}{1092221822511}a^{16}-\frac{171885519311}{1456295763348}a^{14}+\frac{1736565031}{728147881674}a^{12}+\frac{496758606893}{4368887290044}a^{10}-\frac{260557156309}{1456295763348}a^{8}-\frac{41468490176}{121357980279}a^{6}-\frac{1786851985187}{4368887290044}a^{4}+\frac{17199500173}{242715960558}a^{2}+\frac{11770936847}{53936880124}$, $\frac{1}{13106661870132}a^{29}+\frac{1}{4368887290044}a^{27}-\frac{1936833391}{728147881674}a^{25}-\frac{58175415787}{13106661870132}a^{23}-\frac{5404024969}{2184443645022}a^{21}-\frac{20038173253}{1456295763348}a^{19}+\frac{346356730753}{13106661870132}a^{17}+\frac{45123612001}{728147881674}a^{15}+\frac{119640879623}{1456295763348}a^{13}+\frac{491858299939}{6553330935066}a^{11}-\frac{588981334145}{4368887290044}a^{9}-\frac{86800180055}{485431921116}a^{7}-\frac{2059740739483}{6553330935066}a^{5}+\frac{147261155443}{485431921116}a^{3}-\frac{16794850507}{80905320186}a$, $\frac{1}{39319985610396}a^{30}+\frac{1}{13106661870132}a^{28}-\frac{1}{4368887290044}a^{26}+\frac{9257801039}{9829996402599}a^{24}-\frac{29349668189}{13106661870132}a^{22}+\frac{11712482075}{4368887290044}a^{20}+\frac{2117068222525}{39319985610396}a^{18}-\frac{17551756493}{161810640372}a^{16}+\frac{89087782901}{1092221822511}a^{14}-\frac{5001641332921}{39319985610396}a^{12}-\frac{706711017953}{13106661870132}a^{10}-\frac{1981734423185}{4368887290044}a^{8}-\frac{15464536204685}{39319985610396}a^{6}+\frac{324155339690}{1092221822511}a^{4}+\frac{73440071909}{485431921116}a^{2}-\frac{5866965635}{13484220031}$, $\frac{1}{117959956831188}a^{31}+\frac{1}{39319985610396}a^{29}-\frac{1}{13106661870132}a^{27}+\frac{9257801039}{29489989207797}a^{25}+\frac{46004156045}{19659992805198}a^{23}+\frac{11712482075}{13106661870132}a^{21}+\frac{660772459177}{117959956831188}a^{19}-\frac{535523969305}{4368887290044}a^{17}-\frac{32270197378}{3276665467533}a^{15}+\frac{2414177534839}{58979978415594}a^{13}+\frac{1235016666511}{39319985610396}a^{11}+\frac{121803901651}{13106661870132}a^{9}-\frac{19833423494729}{117959956831188}a^{7}+\frac{1133208541550}{3276665467533}a^{5}+\frac{191788566311}{728147881674}a^{3}+\frac{7617254396}{40452660093}a$ 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

$C_{4}\times C_{4}\times C_{4}$, which has order $64$ (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:   \( -\frac{1620997322}{29489989207797} a^{31} - \frac{6359036717}{39319985610396} a^{29} + \frac{1620997322}{3276665467533} a^{27} + \frac{137784772370}{29489989207797} a^{25} + \frac{61597898236}{9829996402599} a^{23} + \frac{273948547418}{3276665467533} a^{21} + \frac{12532743803623}{117959956831188} a^{19} - \frac{1340564785294}{1092221822511} a^{17} - \frac{20121439757986}{3276665467533} a^{15} + \frac{72494242234484}{29489989207797} a^{13} + \frac{22280608190890}{9829996402599} a^{11} + \frac{66474293300125}{13106661870132} a^{9} - \frac{26018628015422}{29489989207797} a^{7} - \frac{2390971049950}{3276665467533} a^{5} + \frac{236665609012}{364073940837} a^{3} + \frac{6483989288}{40452660093} a \)  (order $20$) 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:   $\frac{58743065}{485431921116}a^{30}+\frac{1008990349}{4368887290044}a^{28}-\frac{1071618067}{728147881674}a^{26}-\frac{1478053829}{161810640372}a^{24}-\frac{3188866615}{1092221822511}a^{22}-\frac{246802642151}{1456295763348}a^{20}-\frac{22841210357}{485431921116}a^{18}+\frac{6479261533811}{2184443645022}a^{16}+\frac{1725240793109}{161810640372}a^{14}-\frac{797163534302}{40452660093}a^{12}+\frac{3199122409961}{4368887290044}a^{10}+\frac{468453620623}{1456295763348}a^{8}+\frac{31309304773}{80905320186}a^{6}-\frac{1954165868063}{4368887290044}a^{4}-\frac{379804766935}{121357980279}a^{2}+\frac{2161056591}{13484220031}$, $\frac{4551235}{161810640372}a^{31}-\frac{4134277}{161810640372}a^{30}-\frac{4551235}{53936880124}a^{29}+\frac{4134277}{53936880124}a^{28}-\frac{386854975}{485431921116}a^{27}+\frac{351413545}{485431921116}a^{26}-\frac{86473465}{80905320186}a^{25}+\frac{78551263}{80905320186}a^{24}+\frac{8173015357}{728147881674}a^{23}-\frac{549928801}{53936880124}a^{22}-\frac{4756040575}{242715960558}a^{21}+\frac{4320319465}{242715960558}a^{20}+\frac{11291614035}{53936880124}a^{19}-\frac{10257141237}{53936880124}a^{18}+\frac{56494480055}{53936880124}a^{17}-\frac{51318780401}{53936880124}a^{16}-\frac{101770165835}{242715960558}a^{15}+\frac{92446567997}{242715960558}a^{14}-\frac{15128911721125}{728147881674}a^{13}+\frac{3053780886151}{161810640372}a^{12}+\frac{8460745865}{26968440062}a^{11}-\frac{7685620943}{26968440062}a^{10}+\frac{73051872985}{485431921116}a^{9}-\frac{66359280127}{485431921116}a^{8}+\frac{6713071625}{53936880124}a^{7}-\frac{6098058575}{53936880124}a^{6}-\frac{2990161395}{26968440062}a^{5}+\frac{2716219989}{26968440062}a^{4}-\frac{1642097132039}{728147881674}a^{3}+\frac{1479806698723}{485431921116}a^{2}+\frac{3317850315}{53936880124}a-\frac{3013887933}{53936880124}$, $\frac{4551235}{161810640372}a^{31}-\frac{4551235}{53936880124}a^{29}-\frac{386854975}{485431921116}a^{27}-\frac{86473465}{80905320186}a^{25}+\frac{8173015357}{728147881674}a^{23}-\frac{4756040575}{242715960558}a^{21}+\frac{11291614035}{53936880124}a^{19}+\frac{56494480055}{53936880124}a^{17}-\frac{101770165835}{242715960558}a^{15}-\frac{15128911721125}{728147881674}a^{13}+\frac{8460745865}{26968440062}a^{11}+\frac{73051872985}{485431921116}a^{9}+\frac{6713071625}{53936880124}a^{7}-\frac{2990161395}{26968440062}a^{5}-\frac{1642097132039}{728147881674}a^{3}+\frac{3317850315}{53936880124}a-1$, $\frac{382715555}{728147881674}a^{31}-\frac{2547203}{242715960558}a^{30}+\frac{11098751095}{6553330935066}a^{29}-\frac{17987631085}{4368887290044}a^{27}-\frac{32724725015}{728147881674}a^{25}-\frac{946455567515}{13106661870132}a^{23}-\frac{3648427385815}{4368887290044}a^{21}+\frac{13848020425}{485431921116}a^{20}-\frac{951048154175}{728147881674}a^{19}+\frac{145383306024515}{13106661870132}a^{17}+\frac{14753941188815}{242715960558}a^{15}-\frac{2227787245655}{485431921116}a^{13}+\frac{32276316330925}{13106661870132}a^{11}-\frac{11080416333985}{485431921116}a^{10}+\frac{2224725521215}{2184443645022}a^{9}+\frac{732134856715}{485431921116}a^{7}+\frac{66197036516161}{6553330935066}a^{5}-\frac{24111079965}{53936880124}a^{3}+\frac{30999959955}{53936880124}a-\frac{118182362941}{53936880124}$, $\frac{83548727}{728147881674}a^{31}+\frac{4627873}{1456295763348}a^{30}+\frac{2422913083}{6553330935066}a^{29}-\frac{3926790169}{4368887290044}a^{27}-\frac{529221843}{53936880124}a^{25}-\frac{206616001871}{13106661870132}a^{23}-\frac{796470014491}{4368887290044}a^{21}-\frac{12577701337}{1456295763348}a^{20}-\frac{207618586595}{728147881674}a^{19}+\frac{31737905571671}{13106661870132}a^{17}+\frac{19327894281113}{1456295763348}a^{15}-\frac{486337139867}{485431921116}a^{13}+\frac{7046081891545}{13106661870132}a^{11}+\frac{10064640608101}{1456295763348}a^{10}+\frac{485668750051}{2184443645022}a^{9}+\frac{159828714751}{485431921116}a^{7}+\frac{8969900914163}{13106661870132}a^{5}-\frac{5263569801}{53936880124}a^{3}+\frac{6767446887}{53936880124}a+\frac{18347211997}{13484220031}$, $\frac{5385151}{485431921116}a^{31}-\frac{633743243}{3276665467533}a^{30}-\frac{5385151}{161810640372}a^{29}-\frac{2521062209}{4368887290044}a^{28}-\frac{457737835}{1456295763348}a^{27}+\frac{633743243}{364073940837}a^{26}-\frac{102317869}{242715960558}a^{25}+\frac{53868175655}{3276665467533}a^{24}+\frac{1611828074}{364073940837}a^{23}+\frac{24082243234}{1092221822511}a^{22}-\frac{5627482795}{728147881674}a^{21}+\frac{107102608067}{364073940837}a^{20}+\frac{4453519877}{53936880124}a^{19}+\frac{5184738020971}{13106661870132}a^{18}+\frac{66845879363}{161810640372}a^{17}-\frac{524105661961}{121357980279}a^{16}-\frac{120417361511}{728147881674}a^{15}-\frac{7866654875359}{364073940837}a^{14}-\frac{2983784531336}{364073940837}a^{13}+\frac{28342265313446}{3276665467533}a^{12}+\frac{10010995709}{80905320186}a^{11}+\frac{8710800875035}{1092221822511}a^{10}+\frac{86437058701}{1456295763348}a^{9}+\frac{639606016133}{1456295763348}a^{8}+\frac{7943097725}{161810640372}a^{7}-\frac{10172212793393}{3276665467533}a^{6}-\frac{1179348069}{26968440062}a^{5}-\frac{934771283425}{364073940837}a^{4}+\frac{40212763621}{364073940837}a^{3}+\frac{92526513478}{40452660093}a^{2}+\frac{1308591693}{53936880124}a+\frac{7604918916}{13484220031}$, $\frac{1067370893}{19659992805198}a^{30}+\frac{2669837713}{13106661870132}a^{28}-\frac{340821058}{1092221822511}a^{26}-\frac{191457485497}{39319985610396}a^{24}-\frac{135776310179}{13106661870132}a^{22}-\frac{400413910603}{4368887290044}a^{20}-\frac{6967628512007}{39319985610396}a^{18}+\frac{128193421138}{121357980279}a^{16}+\frac{30374628307637}{4368887290044}a^{14}+\frac{139743045531569}{39319985610396}a^{12}+\frac{14752881487417}{13106661870132}a^{10}-\frac{39510630174509}{4368887290044}a^{8}-\frac{64242428291030}{9829996402599}a^{6}-\frac{2303574971737}{4368887290044}a^{4}+\frac{343811761811}{485431921116}a^{2}+\frac{51504171059}{53936880124}$, $\frac{484544159}{19659992805198}a^{30}+\frac{1007819963}{6553330935066}a^{28}+\frac{46505846}{1092221822511}a^{26}-\frac{107654257837}{39319985610396}a^{24}-\frac{128781580613}{13106661870132}a^{22}-\frac{213027379765}{4368887290044}a^{20}-\frac{3457675446811}{19659992805198}a^{18}+\frac{126134769830}{364073940837}a^{16}+\frac{19596281372129}{4368887290044}a^{14}+\frac{329751503020955}{39319985610396}a^{12}-\frac{22712166379157}{13106661870132}a^{10}-\frac{7884428296321}{2184443645022}a^{8}+\frac{5452042100299}{9829996402599}a^{6}+\frac{2458264701323}{4368887290044}a^{4}+\frac{944571224149}{485431921116}a^{2}-\frac{23971782707}{53936880124}$, $\frac{8462161409}{58979978415594}a^{31}-\frac{502306511}{9829996402599}a^{30}+\frac{5025908377}{9829996402599}a^{29}-\frac{1528002677}{13106661870132}a^{28}-\frac{6422376581}{6553330935066}a^{27}+\frac{618546668}{1092221822511}a^{26}-\frac{1504881530977}{117959956831188}a^{25}+\frac{155815457885}{39319985610396}a^{24}-\frac{235805162678}{9829996402599}a^{23}+\frac{8651728306}{3276665467533}a^{22}-\frac{3053823287683}{13106661870132}a^{21}+\frac{324434757149}{4368887290044}a^{20}-\frac{12596130537692}{29489989207797}a^{19}+\frac{2143968189439}{39319985610396}a^{18}+\frac{19244729101721}{6553330935066}a^{17}-\frac{440268502715}{364073940837}a^{16}+\frac{232725358305965}{13106661870132}a^{15}-\frac{21074091934345}{4368887290044}a^{14}+\frac{125881794566129}{29489989207797}a^{13}+\frac{62476001525057}{9829996402599}a^{12}-\frac{105688907703239}{39319985610396}a^{11}-\frac{11280577915247}{13106661870132}a^{10}-\frac{21318046921610}{3276665467533}a^{9}-\frac{30550164552551}{4368887290044}a^{8}+\frac{78937682132837}{58979978415594}a^{7}+\frac{44058492480490}{9829996402599}a^{6}+\frac{878681010139}{161810640372}a^{5}+\frac{1731046265237}{4368887290044}a^{4}-\frac{124740822253}{121357980279}a^{3}-\frac{100512055570}{121357980279}a^{2}-\frac{184846546681}{161810640372}a+\frac{16842041985}{53936880124}$, $\frac{3380355103}{19659992805198}a^{31}+\frac{82786925}{728147881674}a^{30}+\frac{6939964313}{13106661870132}a^{29}+\frac{1008990349}{4368887290044}a^{28}-\frac{6994184417}{4368887290044}a^{27}-\frac{1071618067}{728147881674}a^{26}-\frac{594505675445}{39319985610396}a^{25}-\frac{1478053829}{161810640372}a^{24}-\frac{132889503923}{6553330935066}a^{23}-\frac{3188866615}{1092221822511}a^{22}-\frac{277875240218}{1092221822511}a^{21}-\frac{24204031357}{161810640372}a^{20}-\frac{14175507827779}{39319985610396}a^{19}-\frac{22841210357}{485431921116}a^{18}+\frac{5784190512859}{1456295763348}a^{17}+\frac{6479261533811}{2184443645022}a^{16}+\frac{86818811168221}{4368887290044}a^{15}+\frac{1725240793109}{161810640372}a^{14}-\frac{156396957748537}{19659992805198}a^{13}-\frac{797163534302}{40452660093}a^{12}-\frac{66347157979255}{3276665467533}a^{11}-\frac{66330702771601}{4368887290044}a^{10}-\frac{13331530776925}{4368887290044}a^{9}+\frac{468453620623}{1456295763348}a^{8}+\frac{112263654077267}{39319985610396}a^{7}+\frac{31309304773}{80905320186}a^{6}+\frac{10316422015075}{4368887290044}a^{5}-\frac{1954165868063}{4368887290044}a^{4}-\frac{510575462441}{242715960558}a^{3}-\frac{379804766935}{121357980279}a^{2}-\frac{212523749365}{80905320186}a-\frac{90086168713}{53936880124}$, $\frac{108890209}{1456295763348}a^{31}+\frac{23173133}{161810640372}a^{30}+\frac{2253110693}{13106661870132}a^{29}+\frac{301180123}{485431921116}a^{28}-\frac{3552480271}{4368887290044}a^{27}-\frac{145155295}{242715960558}a^{26}-\frac{2135460889}{364073940837}a^{25}-\frac{9800837545}{728147881674}a^{24}-\frac{28320357565}{6553330935066}a^{23}-\frac{4051140841}{121357980279}a^{22}-\frac{118946277811}{1092221822511}a^{21}-\frac{121520130835}{485431921116}a^{20}-\frac{110200831981}{1456295763348}a^{19}-\frac{32876779187}{53936880124}a^{18}+\frac{23028231211397}{13106661870132}a^{17}+\frac{633511134773}{242715960558}a^{16}+\frac{2620028583425}{364073940837}a^{15}+\frac{14490319932601}{728147881674}a^{14}-\frac{6372425823679}{728147881674}a^{13}+\frac{703836558934}{40452660093}a^{12}+\frac{1383043532122}{3276665467533}a^{11}+\frac{245487226751}{485431921116}a^{10}+\frac{798378312731}{4368887290044}a^{9}+\frac{92378694203}{485431921116}a^{8}+\frac{112530087289}{485431921116}a^{7}+\frac{10010739545}{26968440062}a^{6}+\frac{11013731477267}{3276665467533}a^{5}+\frac{1473231998747}{728147881674}a^{4}+\frac{40990072253}{728147881674}a^{3}+\frac{352532960527}{121357980279}a^{2}+\frac{5064349311}{53936880124}a+\frac{1734915753}{13484220031}$, $\frac{7021507313}{117959956831188}a^{31}+\frac{52494727}{1456295763348}a^{30}+\frac{6359036717}{39319985610396}a^{29}-\frac{4134277}{53936880124}a^{28}-\frac{1620997322}{3276665467533}a^{27}-\frac{351413545}{485431921116}a^{26}-\frac{137784772370}{29489989207797}a^{25}-\frac{78551263}{80905320186}a^{24}-\frac{61597898236}{9829996402599}a^{23}+\frac{549928801}{53936880124}a^{22}-\frac{314535531086}{3276665467533}a^{21}-\frac{67471762453}{1456295763348}a^{20}-\frac{12532743803623}{117959956831188}a^{19}+\frac{10257141237}{53936880124}a^{18}+\frac{1340564785294}{1092221822511}a^{17}+\frac{51318780401}{53936880124}a^{16}+\frac{20121439757986}{3276665467533}a^{15}-\frac{92446567997}{242715960558}a^{14}-\frac{72494242234484}{29489989207797}a^{13}-\frac{3053780886151}{161810640372}a^{12}+\frac{75157647243290}{9829996402599}a^{11}+\frac{33656270838853}{1456295763348}a^{10}-\frac{66474293300125}{13106661870132}a^{9}+\frac{66359280127}{485431921116}a^{8}+\frac{26018628015422}{29489989207797}a^{7}+\frac{6098058575}{53936880124}a^{6}+\frac{2390971049950}{3276665467533}a^{5}-\frac{2716219989}{26968440062}a^{4}-\frac{236665609012}{364073940837}a^{3}-\frac{1479806698723}{485431921116}a^{2}-\frac{174316794427}{161810640372}a+\frac{122700389291}{26968440062}$, $\frac{1902341758}{9829996402599}a^{30}+\frac{8977875463}{13106661870132}a^{28}-\frac{3019598669}{2184443645022}a^{26}-\frac{680601546127}{39319985610396}a^{24}-\frac{206670997183}{6553330935066}a^{22}-\frac{676583567219}{2184443645022}a^{20}-\frac{22162648838261}{39319985610396}a^{18}+\frac{8826490841975}{2184443645022}a^{16}+\frac{104631416957783}{4368887290044}a^{14}+\frac{82249140559699}{19659992805198}a^{12}-\frac{57006098881987}{6553330935066}a^{10}-\frac{28444279392971}{4368887290044}a^{8}+\frac{102150755093975}{19659992805198}a^{6}+\frac{4071695136415}{1456295763348}a^{4}-\frac{252376118945}{242715960558}a^{2}-\frac{50850631561}{26968440062}$, $\frac{811177423}{58979978415594}a^{31}-\frac{3344267387}{19659992805198}a^{29}-\frac{4455100879}{6553330935066}a^{27}+\frac{26287552795}{29489989207797}a^{25}+\frac{305111832223}{19659992805198}a^{23}-\frac{17330577043}{6553330935066}a^{21}+\frac{17091606766981}{58979978415594}a^{19}+\frac{1386524706511}{2184443645022}a^{17}-\frac{10598420684522}{3276665467533}a^{15}-\frac{13\!\cdots\!05}{58979978415594}a^{13}+\frac{311346591636865}{19659992805198}a^{11}-\frac{10742842427717}{6553330935066}a^{9}-\frac{90638482784777}{58979978415594}a^{7}-\frac{6955260652787}{3276665467533}a^{5}-\frac{380002635023}{242715960558}a^{3}+\frac{158926684154}{40452660093}a$, $\frac{10335015053}{39319985610396}a^{30}+\frac{2877331748}{3276665467533}a^{28}-\frac{8568215459}{4368887290044}a^{26}-\frac{223765468469}{9829996402599}a^{24}-\frac{127299066946}{3276665467533}a^{22}-\frac{1840783012661}{4368887290044}a^{20}-\frac{6876416695918}{9829996402599}a^{18}+\frac{23929192163527}{4368887290044}a^{16}+\frac{33988771095229}{1092221822511}a^{14}+\frac{12894100899073}{9829996402599}a^{12}-\frac{1690559442865}{13106661870132}a^{10}-\frac{3210773294368}{1092221822511}a^{8}+\frac{120654893225345}{39319985610396}a^{6}+\frac{2259455920457}{1092221822511}a^{4}+\frac{26005003154}{121357980279}a^{2}+\frac{16439982312}{13484220031}$ 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:  \( 4622596654413.537 \) (assuming GRH)
sage: K.regulator()
 
gp: K.reg
 
magma: Regulator(K);
 
oscar: regulator(K)
 

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{16}\cdot 4622596654413.537 \cdot 64}{20\cdot\sqrt{138956997215838851269528412416000000000000000000000000}}\cr\approx \mathstrut & 0.234138947805810 \end{aligned}\] (assuming GRH)

# self-contained SageMath code snippet to compute the analytic class number formula
 
x = polygen(QQ); K.<a> = NumberField(x^32 + 3*x^30 - 9*x^28 - 85*x^26 - 114*x^24 - 1521*x^22 - 2090*x^20 + 22329*x^18 + 111717*x^16 - 44722*x^14 - 41235*x^12 + 33462*x^10 + 16051*x^8 + 13275*x^6 - 11826*x^4 - 2916*x^2 + 6561)
 
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 + 3*x^30 - 9*x^28 - 85*x^26 - 114*x^24 - 1521*x^22 - 2090*x^20 + 22329*x^18 + 111717*x^16 - 44722*x^14 - 41235*x^12 + 33462*x^10 + 16051*x^8 + 13275*x^6 - 11826*x^4 - 2916*x^2 + 6561, 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 + 3*x^30 - 9*x^28 - 85*x^26 - 114*x^24 - 1521*x^22 - 2090*x^20 + 22329*x^18 + 111717*x^16 - 44722*x^14 - 41235*x^12 + 33462*x^10 + 16051*x^8 + 13275*x^6 - 11826*x^4 - 2916*x^2 + 6561);
 
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 + 3*x^30 - 9*x^28 - 85*x^26 - 114*x^24 - 1521*x^22 - 2090*x^20 + 22329*x^18 + 111717*x^16 - 44722*x^14 - 41235*x^12 + 33462*x^10 + 16051*x^8 + 13275*x^6 - 11826*x^4 - 2916*x^2 + 6561);
 
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

$C_2\times C_4^2$ (as 32T36):

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 32
The 32 conjugacy class representatives for $C_2\times C_4^2$
Character table for $C_2\times C_4^2$

Intermediate fields

\(\Q(\sqrt{-1}) \), \(\Q(\sqrt{65}) \), \(\Q(\sqrt{-65}) \), \(\Q(\sqrt{5}) \), \(\Q(\sqrt{-5}) \), \(\Q(\sqrt{13}) \), \(\Q(\sqrt{-13}) \), \(\Q(i, \sqrt{65})\), 4.0.4394000.2, 4.4.274625.1, \(\Q(i, \sqrt{5})\), \(\Q(i, \sqrt{13})\), \(\Q(\sqrt{5}, \sqrt{13})\), \(\Q(\sqrt{-5}, \sqrt{-13})\), 4.0.4394000.1, 4.4.274625.2, \(\Q(\sqrt{5}, \sqrt{-13})\), \(\Q(\sqrt{-5}, \sqrt{13})\), 4.0.21125.1, 4.4.338000.1, \(\Q(\zeta_{5})\), \(\Q(\zeta_{20})^+\), 4.4.35152.1, 4.0.2197.1, 4.4.878800.1, 4.0.54925.1, 8.0.19307236000000.1, 8.0.4569760000.1, 8.0.19307236000000.4, 8.0.19307236000000.5, 8.0.19307236000000.3, 8.8.75418890625.1, 8.0.19307236000000.2, 8.0.114244000000.2, \(\Q(\zeta_{20})\), 8.0.1235663104.1, 8.0.772289440000.3, 8.0.446265625.1, 8.8.114244000000.1, 8.8.772289440000.1, 8.0.3016755625.1, 8.0.114244000000.1, 8.0.114244000000.3, 8.0.772289440000.1, 8.0.772289440000.2, 16.0.372769361959696000000000000.1, 16.0.13051691536000000000000.1, 16.0.596430979135513600000000.1, 16.0.372769361959696000000000000.3, 16.0.372769361959696000000000000.2, 16.0.5688009063105712890625.1, 16.16.372769361959696000000000000.2

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 R ${\href{/padicField/3.4.0.1}{4} }^{8}$ R ${\href{/padicField/7.4.0.1}{4} }^{8}$ ${\href{/padicField/11.4.0.1}{4} }^{8}$ R ${\href{/padicField/17.4.0.1}{4} }^{8}$ ${\href{/padicField/19.4.0.1}{4} }^{8}$ ${\href{/padicField/23.4.0.1}{4} }^{8}$ ${\href{/padicField/29.2.0.1}{2} }^{16}$ ${\href{/padicField/31.4.0.1}{4} }^{8}$ ${\href{/padicField/37.4.0.1}{4} }^{8}$ ${\href{/padicField/41.4.0.1}{4} }^{8}$ ${\href{/padicField/43.4.0.1}{4} }^{8}$ ${\href{/padicField/47.4.0.1}{4} }^{8}$ ${\href{/padicField/53.4.0.1}{4} }^{8}$ ${\href{/padicField/59.4.0.1}{4} }^{8}$

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}$
\(5\) Copy content Toggle raw display 5.16.12.1$x^{16} + 16 x^{14} + 16 x^{13} + 124 x^{12} + 192 x^{11} + 368 x^{10} - 16 x^{9} + 1462 x^{8} + 2688 x^{7} + 2544 x^{6} + 5232 x^{5} + 14108 x^{4} + 4800 x^{3} + 8592 x^{2} - 6512 x + 13041$$4$$4$$12$$C_4^2$$[\ ]_{4}^{4}$
5.16.12.1$x^{16} + 16 x^{14} + 16 x^{13} + 124 x^{12} + 192 x^{11} + 368 x^{10} - 16 x^{9} + 1462 x^{8} + 2688 x^{7} + 2544 x^{6} + 5232 x^{5} + 14108 x^{4} + 4800 x^{3} + 8592 x^{2} - 6512 x + 13041$$4$$4$$12$$C_4^2$$[\ ]_{4}^{4}$
\(13\) Copy content Toggle raw display 13.16.12.1$x^{16} + 12 x^{14} + 48 x^{13} + 114 x^{12} + 432 x^{11} + 888 x^{10} - 5280 x^{9} + 4933 x^{8} + 13680 x^{7} + 64788 x^{6} - 10416 x^{5} + 182568 x^{4} + 90432 x^{3} + 720840 x^{2} + 400992 x + 573316$$4$$4$$12$$C_4^2$$[\ ]_{4}^{4}$
13.16.12.1$x^{16} + 12 x^{14} + 48 x^{13} + 114 x^{12} + 432 x^{11} + 888 x^{10} - 5280 x^{9} + 4933 x^{8} + 13680 x^{7} + 64788 x^{6} - 10416 x^{5} + 182568 x^{4} + 90432 x^{3} + 720840 x^{2} + 400992 x + 573316$$4$$4$$12$$C_4^2$$[\ ]_{4}^{4}$