Properties

Label 32.0.974...336.1
Degree $32$
Signature $[0, 16]$
Discriminant $9.742\times 10^{49}$
Root discriminant \(36.49\)
Ramified primes $2,223,241$
Class number $16$ (GRH)
Class group [2, 8] (GRH)
Galois group $C_2^6:S_4$ (as 32T96908)

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Normalized defining polynomial

sage: x = polygen(QQ); K.<a> = NumberField(x^32 - 10*x^28 + 27*x^24 + 150*x^20 - 1215*x^16 + 2400*x^12 + 6912*x^8 - 40960*x^4 + 65536)
 
gp: K = bnfinit(y^32 - 10*y^28 + 27*y^24 + 150*y^20 - 1215*y^16 + 2400*y^12 + 6912*y^8 - 40960*y^4 + 65536, 1)
 
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^32 - 10*x^28 + 27*x^24 + 150*x^20 - 1215*x^16 + 2400*x^12 + 6912*x^8 - 40960*x^4 + 65536);
 
oscar: Qx, x = PolynomialRing(QQ); K, a = NumberField(x^32 - 10*x^28 + 27*x^24 + 150*x^20 - 1215*x^16 + 2400*x^12 + 6912*x^8 - 40960*x^4 + 65536)
 

\( x^{32} - 10x^{28} + 27x^{24} + 150x^{20} - 1215x^{16} + 2400x^{12} + 6912x^{8} - 40960x^{4} + 65536 \) 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:   \(97424180758632937220739951448553101324025212174336\) \(\medspace = 2^{72}\cdot 223^{8}\cdot 241^{4}\) 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:  \(36.49\)
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:  $2^{9/4}223^{1/2}241^{1/2}\approx 1102.753495447589$
Ramified primes:   \(2\), \(223\), \(241\) 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:  \(\Q\)
$\card{ \Aut(K/\Q) }$:  $8$
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 \(a\))

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $\frac{1}{2}a^{9}-\frac{1}{2}a^{5}-\frac{1}{2}a$, $\frac{1}{4}a^{10}-\frac{1}{4}a^{6}+\frac{1}{4}a^{2}$, $\frac{1}{8}a^{11}-\frac{1}{2}a^{8}+\frac{3}{8}a^{7}-\frac{1}{2}a^{6}-\frac{1}{2}a^{4}+\frac{1}{8}a^{3}$, $\frac{1}{8}a^{12}+\frac{3}{8}a^{8}-\frac{1}{2}a^{7}+\frac{1}{8}a^{4}-\frac{1}{2}a$, $\frac{1}{8}a^{13}-\frac{1}{8}a^{9}-\frac{1}{2}a^{8}-\frac{3}{8}a^{5}-\frac{1}{2}a^{2}-\frac{1}{2}a$, $\frac{1}{8}a^{14}-\frac{1}{8}a^{10}-\frac{3}{8}a^{6}-\frac{1}{2}a^{5}-\frac{1}{2}a^{3}-\frac{1}{2}a^{2}-\frac{1}{2}a$, $\frac{1}{8}a^{15}-\frac{1}{2}a^{8}-\frac{3}{8}a^{3}-\frac{1}{2}a^{2}$, $\frac{1}{8}a^{16}-\frac{1}{2}a^{5}-\frac{3}{8}a^{4}-\frac{1}{2}a^{3}-\frac{1}{2}a$, $\frac{1}{8}a^{17}-\frac{1}{2}a^{6}-\frac{3}{8}a^{5}-\frac{1}{2}a^{4}-\frac{1}{2}a^{2}$, $\frac{1}{16}a^{18}-\frac{1}{16}a^{17}-\frac{1}{16}a^{15}-\frac{1}{16}a^{14}-\frac{1}{16}a^{12}-\frac{1}{16}a^{11}+\frac{1}{16}a^{10}-\frac{3}{16}a^{8}-\frac{3}{16}a^{7}-\frac{1}{2}a^{6}-\frac{5}{16}a^{5}-\frac{1}{16}a^{4}+\frac{1}{8}a^{3}+\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{16}a^{19}-\frac{1}{16}a^{17}-\frac{1}{16}a^{16}-\frac{1}{16}a^{14}-\frac{1}{16}a^{13}+\frac{1}{16}a^{10}-\frac{3}{16}a^{9}-\frac{1}{2}a^{8}-\frac{3}{16}a^{7}+\frac{3}{16}a^{6}-\frac{3}{8}a^{5}+\frac{3}{16}a^{4}+\frac{1}{4}a^{2}$, $\frac{1}{16}a^{20}-\frac{1}{16}a^{12}+\frac{1}{8}a^{8}-\frac{1}{2}a^{5}+\frac{7}{16}a^{4}-\frac{1}{2}a^{3}-\frac{1}{2}a$, $\frac{1}{32}a^{21}-\frac{1}{16}a^{17}-\frac{1}{32}a^{13}+\frac{1}{16}a^{9}-\frac{1}{2}a^{8}+\frac{13}{32}a^{5}-\frac{1}{2}a^{2}$, $\frac{1}{64}a^{22}-\frac{1}{32}a^{18}+\frac{3}{64}a^{14}-\frac{1}{32}a^{10}-\frac{1}{2}a^{7}-\frac{31}{64}a^{6}+\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{128}a^{23}-\frac{1}{64}a^{19}-\frac{1}{16}a^{17}-\frac{1}{16}a^{16}-\frac{5}{128}a^{15}-\frac{1}{16}a^{14}-\frac{1}{16}a^{13}+\frac{3}{64}a^{11}+\frac{1}{16}a^{10}-\frac{3}{16}a^{9}-\frac{7}{128}a^{7}-\frac{5}{16}a^{6}-\frac{3}{8}a^{5}-\frac{5}{16}a^{4}+\frac{3}{8}a^{3}+\frac{1}{4}a^{2}$, $\frac{1}{2048}a^{24}-\frac{1}{256}a^{23}-\frac{1}{64}a^{21}-\frac{29}{1024}a^{20}-\frac{3}{128}a^{19}+\frac{1}{32}a^{17}-\frac{5}{2048}a^{16}+\frac{5}{256}a^{15}-\frac{3}{64}a^{13}-\frac{61}{1024}a^{12}-\frac{3}{128}a^{11}-\frac{7}{32}a^{9}-\frac{223}{2048}a^{8}+\frac{31}{256}a^{7}-\frac{1}{2}a^{6}-\frac{17}{64}a^{5}+\frac{51}{128}a^{4}+\frac{5}{16}a^{3}-\frac{1}{2}a+\frac{1}{8}$, $\frac{1}{4096}a^{25}-\frac{1}{128}a^{22}-\frac{29}{2048}a^{21}+\frac{1}{64}a^{18}+\frac{251}{4096}a^{17}-\frac{1}{16}a^{15}-\frac{3}{128}a^{14}-\frac{61}{2048}a^{13}-\frac{1}{16}a^{12}-\frac{1}{16}a^{11}-\frac{7}{64}a^{10}+\frac{801}{4096}a^{9}+\frac{5}{16}a^{8}+\frac{5}{16}a^{7}+\frac{47}{128}a^{6}-\frac{61}{256}a^{5}+\frac{7}{16}a^{4}-\frac{3}{8}a^{3}-\frac{1}{4}a^{2}-\frac{7}{16}a-\frac{1}{2}$, $\frac{1}{8192}a^{26}-\frac{1}{256}a^{23}-\frac{29}{4096}a^{22}-\frac{3}{128}a^{19}-\frac{5}{8192}a^{18}-\frac{1}{16}a^{16}-\frac{11}{256}a^{15}-\frac{61}{4096}a^{14}-\frac{1}{16}a^{13}-\frac{1}{16}a^{12}-\frac{3}{128}a^{11}+\frac{801}{8192}a^{10}+\frac{1}{16}a^{9}-\frac{3}{16}a^{8}+\frac{31}{256}a^{7}+\frac{243}{512}a^{6}+\frac{3}{16}a^{5}-\frac{3}{8}a^{4}-\frac{1}{2}a^{3}+\frac{1}{32}a^{2}-\frac{1}{4}a$, $\frac{1}{16384}a^{27}-\frac{29}{8192}a^{23}-\frac{1}{32}a^{20}+\frac{507}{16384}a^{19}-\frac{1}{16}a^{16}+\frac{451}{8192}a^{15}+\frac{1}{32}a^{12}-\frac{223}{16384}a^{11}-\frac{1}{8}a^{10}-\frac{1}{16}a^{8}-\frac{45}{1024}a^{7}-\frac{3}{8}a^{6}+\frac{15}{32}a^{4}-\frac{15}{64}a^{3}+\frac{3}{8}a^{2}-\frac{1}{2}$, $\frac{1}{294912}a^{28}-\frac{7}{49152}a^{24}-\frac{1}{256}a^{23}+\frac{1225}{98304}a^{20}-\frac{3}{128}a^{19}-\frac{1}{16}a^{17}-\frac{637}{16384}a^{16}+\frac{5}{256}a^{15}-\frac{1}{16}a^{14}-\frac{1}{16}a^{13}-\frac{1607}{32768}a^{12}+\frac{5}{128}a^{11}+\frac{1}{16}a^{10}+\frac{1}{16}a^{9}-\frac{193}{1536}a^{8}-\frac{49}{256}a^{7}+\frac{3}{16}a^{6}-\frac{1}{8}a^{5}-\frac{37}{96}a^{4}+\frac{3}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{4}a-\frac{31}{72}$, $\frac{1}{589824}a^{29}-\frac{7}{98304}a^{25}+\frac{1225}{196608}a^{21}-\frac{1}{32}a^{20}-\frac{1661}{32768}a^{17}-\frac{1}{16}a^{16}-\frac{1607}{65536}a^{13}+\frac{1}{32}a^{12}-\frac{1}{8}a^{10}-\frac{193}{3072}a^{9}-\frac{1}{16}a^{8}+\frac{1}{8}a^{6}-\frac{19}{192}a^{5}-\frac{1}{32}a^{4}-\frac{1}{8}a^{2}-\frac{31}{144}a-\frac{1}{2}$, $\frac{1}{2359296}a^{30}-\frac{1}{1179648}a^{29}-\frac{1}{32768}a^{27}+\frac{17}{393216}a^{26}+\frac{7}{196608}a^{25}-\frac{1}{4096}a^{24}+\frac{29}{16384}a^{23}-\frac{1559}{786432}a^{22}+\frac{4919}{393216}a^{21}-\frac{35}{2048}a^{20}-\frac{507}{32768}a^{19}-\frac{1701}{131072}a^{18}-\frac{387}{65536}a^{17}-\frac{251}{4096}a^{16}-\frac{451}{16384}a^{15}+\frac{4633}{262144}a^{14}-\frac{441}{131072}a^{13}-\frac{3}{2048}a^{12}-\frac{1825}{32768}a^{11}-\frac{6049}{49152}a^{10}-\frac{1151}{6144}a^{9}-\frac{1825}{4096}a^{8}+\frac{685}{2048}a^{7}-\frac{19}{3072}a^{6}+\frac{1}{384}a^{5}-\frac{11}{256}a^{4}+\frac{7}{128}a^{3}+\frac{133}{288}a^{2}-\frac{41}{288}a-\frac{1}{16}$, $\frac{1}{4718592}a^{31}-\frac{1}{1179648}a^{29}-\frac{1}{589824}a^{28}-\frac{7}{786432}a^{27}-\frac{1}{16384}a^{26}-\frac{17}{196608}a^{25}+\frac{7}{98304}a^{24}-\frac{4919}{1572864}a^{23}-\frac{35}{8192}a^{22}+\frac{1559}{393216}a^{21}+\frac{4919}{196608}a^{20}-\frac{3709}{262144}a^{19}-\frac{251}{16384}a^{18}-\frac{2395}{65536}a^{17}-\frac{387}{32768}a^{16}+\frac{16825}{524288}a^{15}+\frac{381}{8192}a^{14}-\frac{4633}{131072}a^{13}+\frac{3655}{65536}a^{12}+\frac{383}{24576}a^{11}-\frac{1569}{16384}a^{10}+\frac{6049}{24576}a^{9}+\frac{961}{3072}a^{8}+\frac{119}{1536}a^{7}+\frac{421}{1024}a^{6}-\frac{461}{1536}a^{5}-\frac{83}{192}a^{4}-\frac{391}{1152}a^{3}-\frac{25}{64}a^{2}-\frac{61}{144}a+\frac{31}{144}$ 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:  $2$, $3$

Class group and class number

$C_{2}\times C_{8}$, 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:   \( -\frac{559}{294912} a^{29} + \frac{577}{49152} a^{25} + \frac{185}{98304} a^{21} - \frac{4949}{16384} a^{17} + \frac{34025}{32768} a^{13} + \frac{3451}{6144} a^{9} - \frac{4691}{384} a^{5} + \frac{821}{36} a \)  (order $8$) 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:   $\frac{2779}{4718592}a^{31}-\frac{31}{1179648}a^{30}-\frac{59}{1179648}a^{29}+\frac{21}{65536}a^{28}-\frac{2413}{786432}a^{27}+\frac{133}{196608}a^{26}+\frac{725}{196608}a^{25}-\frac{57}{32768}a^{24}-\frac{3917}{1572864}a^{23}-\frac{583}{393216}a^{22}-\frac{4019}{393216}a^{21}-\frac{137}{65536}a^{20}+\frac{23073}{262144}a^{19}-\frac{593}{65536}a^{18}-\frac{2873}{65536}a^{17}+\frac{1591}{32768}a^{16}-\frac{131709}{524288}a^{15}+\frac{10569}{131072}a^{14}+\frac{59197}{131072}a^{13}-\frac{8299}{65536}a^{12}-\frac{14189}{49152}a^{11}-\frac{3517}{49152}a^{10}-\frac{13069}{24576}a^{9}-\frac{179}{1024}a^{8}+\frac{10237}{3072}a^{7}-\frac{1615}{3072}a^{6}-\frac{4639}{1536}a^{5}+\frac{111}{64}a^{4}-\frac{5455}{1152}a^{3}+\frac{1427}{576}a^{2}+\frac{2017}{144}a-\frac{35}{16}$, $\frac{2779}{4718592}a^{31}+\frac{31}{1179648}a^{30}-\frac{59}{1179648}a^{29}-\frac{21}{65536}a^{28}-\frac{2413}{786432}a^{27}-\frac{133}{196608}a^{26}+\frac{725}{196608}a^{25}+\frac{57}{32768}a^{24}-\frac{3917}{1572864}a^{23}+\frac{583}{393216}a^{22}-\frac{4019}{393216}a^{21}+\frac{137}{65536}a^{20}+\frac{23073}{262144}a^{19}+\frac{593}{65536}a^{18}-\frac{2873}{65536}a^{17}-\frac{1591}{32768}a^{16}-\frac{131709}{524288}a^{15}-\frac{10569}{131072}a^{14}+\frac{59197}{131072}a^{13}+\frac{8299}{65536}a^{12}-\frac{14189}{49152}a^{11}+\frac{3517}{49152}a^{10}-\frac{13069}{24576}a^{9}+\frac{179}{1024}a^{8}+\frac{10237}{3072}a^{7}+\frac{1615}{3072}a^{6}-\frac{4639}{1536}a^{5}-\frac{111}{64}a^{4}-\frac{5455}{1152}a^{3}-\frac{1427}{576}a^{2}+\frac{2017}{144}a+\frac{35}{16}$, $\frac{2449}{4718592}a^{31}-\frac{31}{1179648}a^{30}-\frac{163}{393216}a^{29}-\frac{21}{65536}a^{28}-\frac{3847}{786432}a^{27}+\frac{133}{196608}a^{26}+\frac{141}{65536}a^{25}+\frac{57}{32768}a^{24}+\frac{7705}{1572864}a^{23}-\frac{583}{393216}a^{22}+\frac{293}{131072}a^{21}+\frac{137}{65536}a^{20}+\frac{26531}{262144}a^{19}-\frac{593}{65536}a^{18}-\frac{4019}{65536}a^{17}-\frac{1591}{32768}a^{16}-\frac{265591}{524288}a^{15}+\frac{10569}{131072}a^{14}+\frac{20159}{131072}a^{13}+\frac{8299}{65536}a^{12}+\frac{6781}{49152}a^{11}-\frac{3517}{49152}a^{10}+\frac{1903}{8192}a^{9}+\frac{179}{1024}a^{8}+\frac{14647}{3072}a^{7}-\frac{1615}{3072}a^{6}-\frac{1083}{512}a^{5}-\frac{111}{64}a^{4}-\frac{15493}{1152}a^{3}+\frac{1427}{576}a^{2}+\frac{131}{48}a+\frac{51}{16}$, $\frac{259}{1572864}a^{31}+\frac{31}{1179648}a^{30}+\frac{59}{1179648}a^{29}-\frac{21}{65536}a^{28}-\frac{261}{262144}a^{27}-\frac{133}{196608}a^{26}-\frac{725}{196608}a^{25}+\frac{57}{32768}a^{24}+\frac{27}{524288}a^{23}+\frac{583}{393216}a^{22}+\frac{4019}{393216}a^{21}+\frac{137}{65536}a^{20}+\frac{6219}{262144}a^{19}+\frac{593}{65536}a^{18}+\frac{2873}{65536}a^{17}-\frac{1591}{32768}a^{16}-\frac{48319}{524288}a^{15}-\frac{10569}{131072}a^{14}-\frac{59197}{131072}a^{13}+\frac{8299}{65536}a^{12}-\frac{133}{16384}a^{11}+\frac{3517}{49152}a^{10}+\frac{13069}{24576}a^{9}+\frac{179}{1024}a^{8}+\frac{1045}{1024}a^{7}+\frac{1615}{3072}a^{6}+\frac{4639}{1536}a^{5}-\frac{111}{64}a^{4}-\frac{871}{384}a^{3}-\frac{1427}{576}a^{2}-\frac{2017}{144}a+\frac{51}{16}$, $\frac{277}{262144}a^{31}-\frac{143}{262144}a^{30}+\frac{979}{1179648}a^{29}+\frac{17}{32768}a^{28}-\frac{965}{131072}a^{27}+\frac{915}{131072}a^{26}-\frac{901}{196608}a^{25}-\frac{57}{16384}a^{24}+\frac{487}{262144}a^{23}-\frac{2741}{262144}a^{22}-\frac{1109}{393216}a^{21}+\frac{27}{32768}a^{20}+\frac{23027}{131072}a^{19}-\frac{16589}{131072}a^{18}+\frac{8505}{65536}a^{17}+\frac{1391}{16384}a^{16}-\frac{180731}{262144}a^{15}+\frac{199953}{262144}a^{14}-\frac{52357}{131072}a^{13}-\frac{10847}{32768}a^{12}-\frac{5275}{32768}a^{11}-\frac{6641}{16384}a^{10}-\frac{2137}{6144}a^{9}-\frac{237}{4096}a^{8}+\frac{15231}{2048}a^{7}-\frac{6715}{1024}a^{6}+\frac{1979}{384}a^{5}+\frac{897}{256}a^{4}-\frac{2081}{128}a^{3}+\frac{347}{16}a^{2}-\frac{2413}{288}a-\frac{123}{16}$, $\frac{143}{786432}a^{31}-\frac{43}{147456}a^{30}-\frac{593}{131072}a^{27}+\frac{91}{24576}a^{26}+\frac{2919}{262144}a^{23}-\frac{283}{49152}a^{22}+\frac{8335}{131072}a^{19}-\frac{547}{8192}a^{18}-\frac{139739}{262144}a^{15}+\frac{6693}{16384}a^{14}+\frac{9047}{16384}a^{11}-\frac{2969}{12288}a^{10}+\frac{3949}{1024}a^{7}-\frac{2693}{768}a^{6}-\frac{385}{24}a^{3}+\frac{1669}{144}a^{2}+\frac{1}{2}$, $\frac{889}{1179648}a^{31}+\frac{43}{73728}a^{30}-\frac{559}{294912}a^{29}-\frac{799}{196608}a^{27}-\frac{91}{12288}a^{26}+\frac{577}{49152}a^{25}-\frac{959}{393216}a^{23}+\frac{283}{24576}a^{22}+\frac{185}{98304}a^{21}+\frac{7323}{65536}a^{19}+\frac{547}{4096}a^{18}-\frac{4949}{16384}a^{17}-\frac{45007}{131072}a^{15}-\frac{6693}{8192}a^{14}+\frac{34025}{32768}a^{13}-\frac{3647}{12288}a^{11}+\frac{2969}{6144}a^{10}+\frac{3451}{6144}a^{9}+\frac{3343}{768}a^{7}+\frac{2693}{384}a^{6}-\frac{4691}{384}a^{5}-\frac{2017}{288}a^{3}-\frac{1669}{72}a^{2}+\frac{821}{36}a$, $\frac{773}{2359296}a^{31}-\frac{17}{2359296}a^{30}+\frac{139}{1179648}a^{29}-\frac{25}{36864}a^{28}-\frac{1631}{393216}a^{27}+\frac{47}{393216}a^{26}-\frac{253}{196608}a^{25}+\frac{47}{12288}a^{24}+\frac{4637}{786432}a^{23}-\frac{185}{786432}a^{22}+\frac{739}{393216}a^{21}+\frac{5}{12288}a^{20}+\frac{10227}{131072}a^{19}-\frac{315}{131072}a^{18}+\frac{1393}{65536}a^{17}-\frac{413}{4096}a^{16}-\frac{120147}{262144}a^{15}+\frac{4503}{262144}a^{14}-\frac{15693}{131072}a^{13}+\frac{1297}{4096}a^{12}+\frac{21161}{98304}a^{11}-\frac{229}{49152}a^{10}+\frac{823}{12288}a^{9}+\frac{2353}{12288}a^{8}+\frac{24971}{6144}a^{7}-\frac{751}{3072}a^{6}+\frac{733}{768}a^{5}-\frac{2909}{768}a^{4}-\frac{14851}{1152}a^{3}+\frac{107}{144}a^{2}-\frac{871}{288}a+\frac{763}{144}$, $\frac{211}{262144}a^{31}-\frac{295}{262144}a^{30}+\frac{1409}{1179648}a^{29}+\frac{17}{32768}a^{28}-\frac{611}{131072}a^{27}+\frac{347}{131072}a^{26}-\frac{599}{196608}a^{25}-\frac{57}{16384}a^{24}-\frac{495}{262144}a^{23}+\frac{3843}{262144}a^{22}-\frac{6007}{393216}a^{21}+\frac{27}{32768}a^{20}+\frac{16421}{131072}a^{19}-\frac{17253}{131072}a^{18}+\frac{9651}{65536}a^{17}+\frac{1391}{16384}a^{16}-\frac{107933}{262144}a^{15}+\frac{16441}{262144}a^{14}-\frac{13319}{131072}a^{13}-\frac{10847}{32768}a^{12}-\frac{9389}{32768}a^{11}+\frac{17305}{16384}a^{10}-\frac{13663}{12288}a^{9}-\frac{237}{4096}a^{8}+\frac{10273}{2048}a^{7}-\frac{3781}{1024}a^{6}+\frac{3263}{768}a^{5}+\frac{897}{256}a^{4}-\frac{1143}{128}a^{3}-\frac{129}{32}a^{2}+\frac{1123}{288}a-\frac{131}{16}$, $\frac{5657}{4718592}a^{31}+\frac{2773}{2359296}a^{30}+\frac{31}{9216}a^{29}-\frac{767}{196608}a^{28}-\frac{8039}{786432}a^{27}-\frac{3331}{393216}a^{26}-\frac{559}{24576}a^{25}+\frac{1041}{32768}a^{24}+\frac{12545}{1572864}a^{23}+\frac{1789}{786432}a^{22}+\frac{31}{12288}a^{21}-\frac{1303}{65536}a^{20}+\frac{57939}{262144}a^{19}+\frac{26447}{131072}a^{18}+\frac{4569}{8192}a^{17}-\frac{23023}{32768}a^{16}-\frac{537039}{524288}a^{15}-\frac{207827}{262144}a^{14}-\frac{8707}{4096}a^{13}+\frac{205131}{65536}a^{12}+\frac{12325}{98304}a^{11}-\frac{4637}{24576}a^{10}-\frac{16511}{24576}a^{9}-\frac{705}{4096}a^{8}+\frac{61615}{6144}a^{7}+\frac{13261}{1536}a^{6}+\frac{36043}{1536}a^{5}-\frac{8059}{256}a^{4}-\frac{7547}{288}a^{3}-\frac{10669}{576}a^{2}-\frac{14333}{288}a+\frac{1897}{24}$, $\frac{23}{131072}a^{31}-\frac{149}{393216}a^{30}+\frac{79}{36864}a^{29}+\frac{1109}{294912}a^{28}-\frac{147}{65536}a^{27}-\frac{85}{65536}a^{26}-\frac{65}{3072}a^{25}-\frac{1523}{49152}a^{24}+\frac{493}{131072}a^{23}+\frac{1571}{131072}a^{22}+\frac{283}{12288}a^{21}+\frac{1853}{98304}a^{20}+\frac{2653}{65536}a^{19}-\frac{1461}{65536}a^{18}+\frac{219}{512}a^{17}+\frac{11231}{16384}a^{16}-\frac{33705}{131072}a^{15}-\frac{34535}{131072}a^{14}-\frac{9101}{4096}a^{13}-\frac{100371}{32768}a^{12}+\frac{683}{4096}a^{11}+\frac{6183}{8192}a^{10}+\frac{4327}{6144}a^{9}+\frac{71}{768}a^{8}+\frac{537}{256}a^{7}+\frac{213}{512}a^{6}+\frac{7915}{384}a^{5}+\frac{92}{3}a^{4}-\frac{237}{32}a^{3}-\frac{259}{24}a^{2}-\frac{4265}{72}a-\frac{5615}{72}$, $\frac{103}{49152}a^{31}-\frac{349}{196608}a^{30}+\frac{1135}{589824}a^{29}-\frac{403}{98304}a^{28}-\frac{243}{16384}a^{27}+\frac{359}{32768}a^{26}-\frac{1201}{98304}a^{25}+\frac{549}{16384}a^{24}+\frac{57}{16384}a^{23}+\frac{75}{65536}a^{22}-\frac{185}{196608}a^{21}-\frac{747}{32768}a^{20}+\frac{5843}{16384}a^{19}-\frac{9233}{32768}a^{18}+\frac{10213}{32768}a^{17}-\frac{12107}{16384}a^{16}-\frac{23065}{16384}a^{15}+\frac{65713}{65536}a^{14}-\frac{72553}{65536}a^{13}+\frac{109263}{32768}a^{12}-\frac{5169}{16384}a^{11}+\frac{3903}{8192}a^{10}-\frac{6673}{12288}a^{9}-\frac{37}{128}a^{8}+\frac{15661}{1024}a^{7}-\frac{5959}{512}a^{6}+\frac{9749}{768}a^{5}-\frac{133}{4}a^{4}-\frac{6499}{192}a^{3}+\frac{2171}{96}a^{2}-\frac{455}{18}a+\frac{2029}{24}$, $\frac{9295}{4718592}a^{31}-\frac{151}{294912}a^{30}+\frac{549}{131072}a^{29}-\frac{877}{589824}a^{28}-\frac{11689}{786432}a^{27}+\frac{19}{3072}a^{26}-\frac{2097}{65536}a^{25}+\frac{1627}{98304}a^{24}+\frac{9223}{1572864}a^{23}-\frac{859}{98304}a^{22}+\frac{1863}{131072}a^{21}-\frac{4117}{196608}a^{20}+\frac{90093}{262144}a^{19}-\frac{943}{8192}a^{18}+\frac{48431}{65536}a^{17}-\frac{10343}{32768}a^{16}-\frac{748009}{524288}a^{15}+\frac{21789}{32768}a^{14}-\frac{407099}{131072}a^{13}+\frac{115387}{65536}a^{12}-\frac{3595}{24576}a^{11}-\frac{16177}{49152}a^{10}-\frac{1985}{8192}a^{9}-\frac{19}{24}a^{8}+\frac{22967}{1536}a^{7}-\frac{17779}{3072}a^{6}+\frac{16669}{512}a^{5}-\frac{1513}{96}a^{4}-\frac{39961}{1152}a^{3}+\frac{10349}{576}a^{2}-\frac{305}{4}a+\frac{6991}{144}$, $\frac{215}{524288}a^{31}-\frac{191}{98304}a^{30}-\frac{3017}{1179648}a^{29}+\frac{49}{196608}a^{28}-\frac{371}{262144}a^{27}+\frac{99}{8192}a^{26}+\frac{4583}{196608}a^{25}+\frac{169}{32768}a^{24}-\frac{1875}{524288}a^{23}+\frac{37}{32768}a^{22}-\frac{8177}{393216}a^{21}-\frac{1415}{65536}a^{20}+\frac{13373}{262144}a^{19}-\frac{639}{2048}a^{18}-\frac{32051}{65536}a^{17}-\frac{967}{32768}a^{16}-\frac{49257}{524288}a^{15}+\frac{35975}{32768}a^{14}+\frac{311391}{131072}a^{13}+\frac{46395}{65536}a^{12}-\frac{4391}{16384}a^{11}+\frac{8717}{16384}a^{10}-\frac{11599}{24576}a^{9}-\frac{1249}{1024}a^{8}+\frac{1723}{1024}a^{7}-\frac{13177}{1024}a^{6}-\frac{34909}{1536}a^{5}-\frac{245}{64}a^{4}-\frac{123}{128}a^{3}+\frac{4711}{192}a^{2}+\frac{8923}{144}a+\frac{1097}{48}$, $\frac{65}{589824}a^{31}+\frac{29}{262144}a^{30}-\frac{479}{1179648}a^{29}+\frac{691}{294912}a^{28}-\frac{13}{3072}a^{27}+\frac{631}{131072}a^{26}-\frac{487}{196608}a^{25}-\frac{409}{49152}a^{24}+\frac{2141}{196608}a^{23}-\frac{4497}{262144}a^{22}+\frac{6121}{393216}a^{21}-\frac{2021}{98304}a^{20}+\frac{897}{16384}a^{19}-\frac{5545}{131072}a^{18}-\frac{797}{65536}a^{17}+\frac{5061}{16384}a^{16}-\frac{33131}{65536}a^{15}+\frac{170941}{262144}a^{14}-\frac{56615}{131072}a^{13}-\frac{17525}{32768}a^{12}+\frac{52967}{98304}a^{11}-\frac{15201}{16384}a^{10}+\frac{5927}{6144}a^{9}-\frac{20453}{12288}a^{8}+\frac{21341}{6144}a^{7}-\frac{4051}{1024}a^{6}+\frac{605}{384}a^{5}+\frac{8185}{768}a^{4}-\frac{17875}{1152}a^{3}+\frac{171}{8}a^{2}-\frac{4807}{288}a-\frac{641}{144}$ 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:  \( 423122700646.94574 \) (assuming GRH)
sage: K.regulator()
 
gp: K.reg
 
magma: Regulator(K);
 
oscar: regulator(K)
 

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{16}\cdot 423122700646.94574 \cdot 16}{8\cdot\sqrt{97424180758632937220739951448553101324025212174336}}\cr\approx \mathstrut & 0.505872223915853 \end{aligned}\] (assuming GRH)

# self-contained SageMath code snippet to compute the analytic class number formula
 
x = polygen(QQ); K.<a> = NumberField(x^32 - 10*x^28 + 27*x^24 + 150*x^20 - 1215*x^16 + 2400*x^12 + 6912*x^8 - 40960*x^4 + 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 - 10*x^28 + 27*x^24 + 150*x^20 - 1215*x^16 + 2400*x^12 + 6912*x^8 - 40960*x^4 + 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 - 10*x^28 + 27*x^24 + 150*x^20 - 1215*x^16 + 2400*x^12 + 6912*x^8 - 40960*x^4 + 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 - 10*x^28 + 27*x^24 + 150*x^20 - 1215*x^16 + 2400*x^12 + 6912*x^8 - 40960*x^4 + 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

$C_2^6:S_4$ (as 32T96908):

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 1536
The 80 conjugacy class representatives for $C_2^6:S_4$
Character table for $C_2^6:S_4$

Intermediate fields

\(\Q(\sqrt{2}) \), \(\Q(\sqrt{-2}) \), \(\Q(\sqrt{-1}) \), 4.4.14272.1, \(\Q(\zeta_{8})\), 8.0.49089286144.1, 8.0.785428578304.1, 8.8.785428578304.1, 8.8.785428578304.2, 8.8.3259039744.1, 8.0.3259039744.4, 8.0.3259039744.9, 16.0.169941440847545368576.2, 16.0.616898051616642659516416.2, 16.16.9870368825866282552262656.1, 16.0.616898051616642659516416.3, 16.0.9870368825866282552262656.2, 16.0.616898051616642659516416.1, 16.0.9870368825866282552262656.1

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: not computed

Frobenius cycle types

$p$ $2$ $3$ $5$ $7$ $11$ $13$ $17$ $19$ $23$ $29$ $31$ $37$ $41$ $43$ $47$ $53$ $59$
Cycle type R ${\href{/padicField/3.6.0.1}{6} }^{4}{,}\,{\href{/padicField/3.2.0.1}{2} }^{4}$ ${\href{/padicField/5.4.0.1}{4} }^{8}$ ${\href{/padicField/7.8.0.1}{8} }^{4}$ ${\href{/padicField/11.6.0.1}{6} }^{4}{,}\,{\href{/padicField/11.2.0.1}{2} }^{4}$ ${\href{/padicField/13.2.0.1}{2} }^{16}$ ${\href{/padicField/17.3.0.1}{3} }^{8}{,}\,{\href{/padicField/17.2.0.1}{2} }^{4}$ ${\href{/padicField/19.4.0.1}{4} }^{4}{,}\,{\href{/padicField/19.2.0.1}{2} }^{8}$ ${\href{/padicField/23.6.0.1}{6} }^{4}{,}\,{\href{/padicField/23.2.0.1}{2} }^{4}$ ${\href{/padicField/29.6.0.1}{6} }^{4}{,}\,{\href{/padicField/29.2.0.1}{2} }^{4}$ ${\href{/padicField/31.8.0.1}{8} }^{4}$ ${\href{/padicField/37.6.0.1}{6} }^{4}{,}\,{\href{/padicField/37.2.0.1}{2} }^{4}$ ${\href{/padicField/41.3.0.1}{3} }^{8}{,}\,{\href{/padicField/41.1.0.1}{1} }^{8}$ ${\href{/padicField/43.8.0.1}{8} }^{4}$ ${\href{/padicField/47.4.0.1}{4} }^{8}$ ${\href{/padicField/53.6.0.1}{6} }^{4}{,}\,{\href{/padicField/53.2.0.1}{2} }^{4}$ ${\href{/padicField/59.6.0.1}{6} }^{4}{,}\,{\href{/padicField/59.2.0.1}{2} }^{4}$

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

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

Local algebras for ramified primes

$p$LabelPolynomial $e$ $f$ $c$ Galois group Slope content
\(2\) Copy content Toggle raw display Deg $16$$8$$2$$36$
Deg $16$$8$$2$$36$
\(223\) Copy content Toggle raw display Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $4$$2$$2$$2$
Deg $4$$2$$2$$2$
Deg $4$$2$$2$$2$
Deg $4$$2$$2$$2$
\(241\) Copy content Toggle raw display Deg $2$$2$$1$$1$$C_2$$[\ ]_{2}$
Deg $2$$2$$1$$1$$C_2$$[\ ]_{2}$
Deg $2$$2$$1$$1$$C_2$$[\ ]_{2}$
Deg $2$$2$$1$$1$$C_2$$[\ ]_{2}$
Deg $6$$1$$6$$0$$C_6$$[\ ]^{6}$
Deg $6$$1$$6$$0$$C_6$$[\ ]^{6}$
Deg $6$$1$$6$$0$$C_6$$[\ ]^{6}$
Deg $6$$1$$6$$0$$C_6$$[\ ]^{6}$