Normalized defining polynomial
\( x^{16} - 7 x^{15} + 23 x^{14} - 50 x^{13} + 115 x^{12} - 263 x^{11} + 384 x^{10} - 245 x^{9} + \cdots + 1296 \)
Invariants
Degree: | $16$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
| |
Signature: | $[0, 8]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
| |
Discriminant: | \(102711726879931884765625\) \(\medspace = 5^{12}\cdot 29^{10}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(27.43\) | 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: | $5^{3/4}29^{3/4}\approx 41.78553833475025$ | ||
Ramified primes: | \(5\), \(29\) | 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 not a CM field. |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $\frac{1}{2}a^{4}-\frac{1}{2}a$, $\frac{1}{2}a^{5}-\frac{1}{2}a^{2}$, $\frac{1}{2}a^{6}-\frac{1}{2}a^{3}$, $\frac{1}{2}a^{7}-\frac{1}{2}a$, $\frac{1}{4}a^{8}-\frac{1}{4}a^{2}$, $\frac{1}{8}a^{9}-\frac{1}{8}a^{8}-\frac{1}{4}a^{6}-\frac{1}{4}a^{4}+\frac{1}{8}a^{3}+\frac{1}{8}a^{2}-\frac{1}{4}a-\frac{1}{2}$, $\frac{1}{8}a^{10}-\frac{1}{8}a^{8}-\frac{1}{4}a^{7}-\frac{1}{4}a^{6}-\frac{1}{4}a^{5}-\frac{1}{8}a^{4}+\frac{1}{4}a^{3}-\frac{1}{8}a^{2}+\frac{1}{4}a-\frac{1}{2}$, $\frac{1}{8}a^{11}-\frac{1}{8}a^{8}-\frac{1}{4}a^{7}-\frac{1}{8}a^{5}-\frac{1}{2}a^{3}+\frac{1}{8}a^{2}+\frac{1}{4}a-\frac{1}{2}$, $\frac{1}{8}a^{12}-\frac{1}{8}a^{8}+\frac{1}{8}a^{6}-\frac{1}{4}a^{4}-\frac{1}{4}a^{3}+\frac{1}{8}a^{2}-\frac{1}{4}a-\frac{1}{2}$, $\frac{1}{48}a^{13}-\frac{1}{48}a^{12}+\frac{1}{24}a^{11}+\frac{1}{48}a^{10}+\frac{1}{48}a^{9}+\frac{1}{12}a^{8}-\frac{3}{16}a^{7}+\frac{1}{48}a^{6}-\frac{1}{24}a^{5}+\frac{7}{48}a^{4}-\frac{3}{16}a^{3}+\frac{1}{4}a^{2}-\frac{1}{3}a-\frac{1}{2}$, $\frac{1}{8352}a^{14}-\frac{61}{8352}a^{13}-\frac{11}{4176}a^{12}-\frac{329}{8352}a^{11}-\frac{11}{8352}a^{10}-\frac{235}{4176}a^{9}-\frac{223}{2784}a^{8}-\frac{983}{8352}a^{7}+\frac{401}{4176}a^{6}-\frac{2015}{8352}a^{5}-\frac{83}{2784}a^{4}-\frac{541}{1392}a^{3}-\frac{919}{2088}a^{2}-\frac{13}{174}a+\frac{12}{29}$, $\frac{1}{36\!\cdots\!56}a^{15}+\frac{166800029227}{18\!\cdots\!28}a^{14}-\frac{250579536593839}{36\!\cdots\!56}a^{13}-\frac{49042979001697}{12\!\cdots\!64}a^{12}+\frac{260369428657667}{18\!\cdots\!28}a^{11}+\frac{299383558289731}{36\!\cdots\!56}a^{10}+\frac{6817567731319}{237931881730752}a^{9}+\frac{22\!\cdots\!97}{18\!\cdots\!28}a^{8}+\frac{64\!\cdots\!91}{36\!\cdots\!56}a^{7}-\frac{831574453427015}{36\!\cdots\!56}a^{6}-\frac{13\!\cdots\!07}{60\!\cdots\!76}a^{5}-\frac{21\!\cdots\!77}{12\!\cdots\!52}a^{4}-\frac{34\!\cdots\!93}{91\!\cdots\!64}a^{3}-\frac{12\!\cdots\!59}{30\!\cdots\!88}a^{2}-\frac{5559138057529}{252802624338924}a+\frac{5795756044763}{84267541446308}$
Monogenic: | No | |
Index: | Not computed | |
Inessential primes: | $2$ |
Class group and class number
$C_{4}$, which has order $4$ (assuming GRH)
Unit group
Rank: | $7$ | sage: UK.rank()
gp: K.fu
magma: UnitRank(K);
oscar: rank(UK)
| |
Torsion generator: | \( -1 \) (order $2$) | 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: | $\frac{788927587}{3003099975648}a^{15}-\frac{3683153845}{3003099975648}a^{14}+\frac{2964142303}{1501549987824}a^{13}-\frac{4064246885}{3003099975648}a^{12}+\frac{25746706033}{3003099975648}a^{11}-\frac{27201264175}{1501549987824}a^{10}-\frac{446604457}{19628104416}a^{9}+\frac{226532985277}{3003099975648}a^{8}+\frac{139182455615}{1501549987824}a^{7}-\frac{413855948339}{3003099975648}a^{6}-\frac{287753289583}{1001033325216}a^{5}-\frac{61422406285}{500516662608}a^{4}+\frac{1068824739595}{1501549987824}a^{3}+\frac{90825082477}{250258331304}a^{2}-\frac{12520467289}{13903240628}a+\frac{3386213077}{3475810157}$, $\frac{5145212429281}{16\!\cdots\!48}a^{15}-\frac{32791152448477}{16\!\cdots\!48}a^{14}+\frac{23853668502467}{413677021645512}a^{13}-\frac{182075063006927}{16\!\cdots\!48}a^{12}+\frac{435031088363221}{16\!\cdots\!48}a^{11}-\frac{63028610522291}{103419255411378}a^{10}+\frac{22968208123811}{32445256599648}a^{9}-\frac{96665931022151}{16\!\cdots\!48}a^{8}+\frac{63711163714069}{103419255411378}a^{7}-\frac{42\!\cdots\!21}{16\!\cdots\!48}a^{6}+\frac{304678839159607}{183856454064672}a^{5}-\frac{338949444022607}{137892340548504}a^{4}+\frac{86\!\cdots\!47}{827354043291024}a^{3}-\frac{355387188336319}{22982056758084}a^{2}+\frac{132457834430341}{11491028379042}a-\frac{12492754940419}{3830342793014}$, $\frac{483228355153}{478994446115856}a^{15}-\frac{5889179719811}{957988892231712}a^{14}+\frac{16701891817063}{957988892231712}a^{13}-\frac{16636144125665}{478994446115856}a^{12}+\frac{83725217322023}{957988892231712}a^{11}-\frac{183816052817191}{957988892231712}a^{10}+\frac{2004452856961}{9392047963056}a^{9}-\frac{79250777571769}{957988892231712}a^{8}+\frac{304733526195437}{957988892231712}a^{7}-\frac{303129371259005}{478994446115856}a^{6}+\frac{115992018527003}{319329630743904}a^{5}-\frac{576550733134567}{319329630743904}a^{4}+\frac{742920702915583}{239497223057928}a^{3}-\frac{293163577144853}{79832407685976}a^{2}+\frac{12695089301987}{2217566880166}a-\frac{6342554304595}{2217566880166}$, $\frac{104988950749}{758407873016772}a^{15}-\frac{2735799853543}{60\!\cdots\!76}a^{14}+\frac{1477333203293}{20\!\cdots\!92}a^{13}-\frac{4534330905439}{30\!\cdots\!88}a^{12}+\frac{18106980950357}{20\!\cdots\!92}a^{11}-\frac{34185829420009}{20\!\cdots\!92}a^{10}+\frac{3317702262733}{178448911298064}a^{9}-\frac{266927149762441}{60\!\cdots\!76}a^{8}+\frac{121705430482837}{674140331570464}a^{7}-\frac{140158210453541}{10\!\cdots\!96}a^{6}+\frac{404383606567825}{60\!\cdots\!76}a^{5}-\frac{288765244364675}{20\!\cdots\!92}a^{4}+\frac{11\!\cdots\!89}{30\!\cdots\!88}a^{3}+\frac{2952841007351}{379203936508386}a^{2}-\frac{73846612180609}{252802624338924}a+\frac{2300128698797}{42133770723154}$, $\frac{18903106310563}{18\!\cdots\!28}a^{15}-\frac{127848266489641}{18\!\cdots\!28}a^{14}+\frac{51822265518457}{22\!\cdots\!16}a^{13}-\frac{915274507109399}{18\!\cdots\!28}a^{12}+\frac{21\!\cdots\!65}{18\!\cdots\!28}a^{11}-\frac{604569429459217}{22\!\cdots\!16}a^{10}+\frac{43889283029017}{118965940865376}a^{9}-\frac{42\!\cdots\!99}{18\!\cdots\!28}a^{8}+\frac{14\!\cdots\!47}{45\!\cdots\!32}a^{7}-\frac{13\!\cdots\!93}{18\!\cdots\!28}a^{6}+\frac{38\!\cdots\!45}{60\!\cdots\!76}a^{5}-\frac{25\!\cdots\!11}{15\!\cdots\!44}a^{4}+\frac{22\!\cdots\!15}{45\!\cdots\!32}a^{3}-\frac{198307279882307}{26151995621268}a^{2}+\frac{899945829633629}{126401312169462}a-\frac{58358321818563}{21066885361577}$, $\frac{15246891194831}{45\!\cdots\!32}a^{15}-\frac{397192103466071}{18\!\cdots\!28}a^{14}+\frac{11\!\cdots\!17}{18\!\cdots\!28}a^{13}-\frac{577892678521759}{45\!\cdots\!32}a^{12}+\frac{54\!\cdots\!23}{18\!\cdots\!28}a^{11}-\frac{12\!\cdots\!57}{18\!\cdots\!28}a^{10}+\frac{75870551667415}{89224455649032}a^{9}-\frac{33\!\cdots\!61}{18\!\cdots\!28}a^{8}+\frac{12\!\cdots\!67}{18\!\cdots\!28}a^{7}-\frac{16\!\cdots\!61}{568805904762579}a^{6}+\frac{46\!\cdots\!49}{20\!\cdots\!92}a^{5}-\frac{20\!\cdots\!81}{60\!\cdots\!76}a^{4}+\frac{48\!\cdots\!81}{45\!\cdots\!32}a^{3}-\frac{299053238346523}{17434663747512}a^{2}+\frac{10\!\cdots\!58}{63200656084731}a-\frac{289296773871601}{42133770723154}$, $\frac{118510669}{39081521952}a^{15}-\frac{642147115}{39081521952}a^{14}+\frac{795409525}{19540760976}a^{13}-\frac{2718446255}{39081521952}a^{12}+\frac{7504330555}{39081521952}a^{11}-\frac{8055151321}{19540760976}a^{10}+\frac{78108665}{255434784}a^{9}+\frac{7616700115}{39081521952}a^{8}+\frac{15692719385}{19540760976}a^{7}-\frac{66129075905}{39081521952}a^{6}+\frac{2436663179}{13027173984}a^{5}-\frac{18137508055}{6513586992}a^{4}+\frac{130652372545}{19540760976}a^{3}-\frac{887057725}{112303224}a^{2}+\frac{859025525}{180932972}a-\frac{48247977}{45233243}$ (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: | \( 119871.996246 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{8}\cdot 119871.996246 \cdot 4}{2\cdot\sqrt{102711726879931884765625}}\cr\approx \mathstrut & 1.81709094743 \end{aligned}\] (assuming GRH)
Galois group
$C_2^3:C_4$ (as 16T33):
A solvable group of order 32 |
The 11 conjugacy class representatives for $C_2^3:C_4$ |
Character table for $C_2^3:C_4$ |
Intermediate fields
\(\Q(\sqrt{5}) \), \(\Q(\sqrt{145}) \), \(\Q(\sqrt{29}) \), 4.0.3625.1 x2, 4.0.105125.1 x2, \(\Q(\sqrt{5}, \sqrt{29})\), 8.4.64097340625.1 x2, 8.0.11051265625.4, 8.0.11051265625.3 x2 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
Frobenius cycle types
$p$ | $2$ | $3$ | $5$ | $7$ | $11$ | $13$ | $17$ | $19$ | $23$ | $29$ | $31$ | $37$ | $41$ | $43$ | $47$ | $53$ | $59$ |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cycle type | ${\href{/padicField/2.2.0.1}{2} }^{8}$ | ${\href{/padicField/3.4.0.1}{4} }^{4}$ | R | ${\href{/padicField/7.4.0.1}{4} }^{4}$ | ${\href{/padicField/11.4.0.1}{4} }^{2}{,}\,{\href{/padicField/11.2.0.1}{2} }^{4}$ | ${\href{/padicField/13.4.0.1}{4} }^{4}$ | ${\href{/padicField/17.2.0.1}{2} }^{8}$ | ${\href{/padicField/19.4.0.1}{4} }^{2}{,}\,{\href{/padicField/19.2.0.1}{2} }^{4}$ | ${\href{/padicField/23.4.0.1}{4} }^{4}$ | R | ${\href{/padicField/31.4.0.1}{4} }^{2}{,}\,{\href{/padicField/31.2.0.1}{2} }^{4}$ | ${\href{/padicField/37.4.0.1}{4} }^{4}$ | ${\href{/padicField/41.4.0.1}{4} }^{2}{,}\,{\href{/padicField/41.2.0.1}{2} }^{4}$ | ${\href{/padicField/43.4.0.1}{4} }^{4}$ | ${\href{/padicField/47.4.0.1}{4} }^{4}$ | ${\href{/padicField/53.4.0.1}{4} }^{4}$ | ${\href{/padicField/59.2.0.1}{2} }^{4}{,}\,{\href{/padicField/59.1.0.1}{1} }^{8}$ |
In the table, R denotes a ramified prime. Cycle lengths which are repeated in a cycle type are indicated by exponents.
Local algebras for ramified primes
$p$ | Label | Polynomial | $e$ | $f$ | $c$ | Galois group | Slope content |
---|---|---|---|---|---|---|---|
\(5\) | 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 | $x^{8} + 16 x^{7} + 104 x^{6} + 352 x^{5} + 674 x^{4} + 784 x^{3} + 776 x^{2} + 928 x + 721$ | $4$ | $2$ | $6$ | $C_4\times C_2$ | $[\ ]_{4}^{2}$ | |
\(29\) | 29.2.1.1 | $x^{2} + 29$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ |
29.2.1.1 | $x^{2} + 29$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
29.2.1.1 | $x^{2} + 29$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
29.2.1.1 | $x^{2} + 29$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
29.4.3.1 | $x^{4} + 116$ | $4$ | $1$ | $3$ | $C_4$ | $[\ ]_{4}$ | |
29.4.3.1 | $x^{4} + 116$ | $4$ | $1$ | $3$ | $C_4$ | $[\ ]_{4}$ |