Normalized defining polynomial
\( x^{16} - 32 x^{14} + 366 x^{12} - 35236 x^{10} + 388601 x^{8} - 4143076 x^{6} + 647985536 x^{4} + \cdots + 16429086976 \)
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: | \(5569165027023164184679061585237737681\) \(\medspace = 41^{14}\cdot 59^{8}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(197.98\) | 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: | $41^{7/8}59^{1/2}\approx 197.97569691730635$ | ||
Ramified primes: | \(41\), \(59\) | 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 \(a\))
$1$, $a$, $\frac{1}{2}a^{2}-\frac{1}{2}a$, $\frac{1}{2}a^{3}-\frac{1}{2}a$, $\frac{1}{4}a^{4}-\frac{1}{4}a^{2}$, $\frac{1}{4}a^{5}-\frac{1}{4}a^{3}$, $\frac{1}{8}a^{6}-\frac{1}{8}a^{5}-\frac{1}{8}a^{4}+\frac{1}{8}a^{3}$, $\frac{1}{16}a^{7}-\frac{1}{8}a^{5}+\frac{1}{16}a^{3}-\frac{1}{2}a-\frac{1}{2}$, $\frac{1}{32}a^{8}-\frac{1}{16}a^{6}-\frac{1}{8}a^{5}+\frac{1}{32}a^{4}-\frac{1}{8}a^{3}+\frac{1}{4}a$, $\frac{1}{32}a^{9}+\frac{1}{32}a^{5}-\frac{1}{16}a^{3}-\frac{1}{2}a-\frac{1}{2}$, $\frac{1}{64}a^{10}-\frac{1}{64}a^{9}-\frac{1}{32}a^{7}+\frac{1}{64}a^{6}+\frac{3}{64}a^{5}+\frac{3}{32}a^{4}-\frac{1}{4}a^{3}-\frac{1}{8}a^{2}+\frac{1}{4}a$, $\frac{1}{64}a^{11}-\frac{1}{64}a^{9}-\frac{1}{64}a^{7}+\frac{1}{64}a^{5}-\frac{1}{8}a^{4}+\frac{1}{8}a^{2}$, $\frac{1}{7552}a^{12}-\frac{37}{7552}a^{10}-\frac{1}{64}a^{9}-\frac{1}{7552}a^{8}-\frac{1}{32}a^{7}-\frac{411}{7552}a^{6}+\frac{3}{64}a^{5}-\frac{5}{472}a^{4}+\frac{9}{472}a^{2}-\frac{1}{2}a+\frac{35}{118}$, $\frac{1}{15104}a^{13}-\frac{1}{15104}a^{12}+\frac{81}{15104}a^{11}-\frac{81}{15104}a^{10}+\frac{235}{15104}a^{9}-\frac{235}{15104}a^{8}+\frac{179}{15104}a^{7}-\frac{179}{15104}a^{6}+\frac{113}{944}a^{5}-\frac{113}{944}a^{4}+\frac{17}{236}a^{3}-\frac{17}{236}a^{2}-\frac{83}{236}a+\frac{83}{236}$, $\frac{1}{74\!\cdots\!16}a^{14}-\frac{75\!\cdots\!67}{18\!\cdots\!04}a^{12}-\frac{22\!\cdots\!25}{37\!\cdots\!08}a^{10}+\frac{25\!\cdots\!21}{18\!\cdots\!04}a^{8}-\frac{41\!\cdots\!35}{74\!\cdots\!16}a^{6}-\frac{1}{8}a^{5}-\frac{25\!\cdots\!05}{46\!\cdots\!76}a^{4}-\frac{1}{8}a^{3}-\frac{40\!\cdots\!31}{11\!\cdots\!44}a^{2}+\frac{1}{4}a-\frac{34\!\cdots\!57}{11\!\cdots\!44}$, $\frac{1}{23\!\cdots\!04}a^{15}-\frac{1}{14\!\cdots\!32}a^{14}-\frac{82\!\cdots\!19}{59\!\cdots\!76}a^{13}-\frac{17\!\cdots\!85}{37\!\cdots\!08}a^{12}+\frac{19\!\cdots\!11}{11\!\cdots\!52}a^{11}-\frac{16\!\cdots\!99}{74\!\cdots\!16}a^{10}+\frac{68\!\cdots\!53}{59\!\cdots\!76}a^{9}-\frac{25\!\cdots\!69}{37\!\cdots\!08}a^{8}+\frac{34\!\cdots\!85}{23\!\cdots\!04}a^{7}-\frac{59\!\cdots\!73}{14\!\cdots\!32}a^{6}-\frac{59\!\cdots\!21}{14\!\cdots\!44}a^{5}-\frac{71\!\cdots\!31}{92\!\cdots\!52}a^{4}-\frac{17\!\cdots\!99}{37\!\cdots\!36}a^{3}-\frac{12\!\cdots\!05}{23\!\cdots\!88}a^{2}+\frac{14\!\cdots\!99}{37\!\cdots\!36}a-\frac{90\!\cdots\!23}{23\!\cdots\!88}$
Monogenic: | No | |
Index: | Not computed | |
Inessential primes: | $2$ |
Class group and class number
$C_{12}\times C_{12}\times C_{12}$, which has order $1728$ (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: | $\frac{18\!\cdots\!09}{18\!\cdots\!52}a^{15}+\frac{33775909}{75\!\cdots\!32}a^{14}-\frac{14\!\cdots\!31}{46\!\cdots\!88}a^{13}+\frac{381165529}{18\!\cdots\!08}a^{12}+\frac{27\!\cdots\!55}{93\!\cdots\!76}a^{11}-\frac{4510557413}{37\!\cdots\!16}a^{10}-\frac{14\!\cdots\!19}{46\!\cdots\!88}a^{9}-\frac{611412530543}{18\!\cdots\!08}a^{8}+\frac{78\!\cdots\!97}{18\!\cdots\!52}a^{7}-\frac{59455238930227}{75\!\cdots\!32}a^{6}-\frac{83\!\cdots\!77}{11\!\cdots\!72}a^{5}-\frac{27835240572141}{47\!\cdots\!52}a^{4}+\frac{15\!\cdots\!65}{29\!\cdots\!68}a^{3}+\frac{77008387520597}{11\!\cdots\!88}a^{2}-\frac{18\!\cdots\!37}{29\!\cdots\!68}a+\frac{37\!\cdots\!75}{11\!\cdots\!88}$, $\frac{36\!\cdots\!03}{18\!\cdots\!52}a^{15}+\frac{33775909}{75\!\cdots\!32}a^{14}-\frac{34\!\cdots\!89}{46\!\cdots\!88}a^{13}+\frac{381165529}{18\!\cdots\!08}a^{12}+\frac{86\!\cdots\!93}{93\!\cdots\!76}a^{11}-\frac{4510557413}{37\!\cdots\!16}a^{10}-\frac{33\!\cdots\!65}{46\!\cdots\!88}a^{9}-\frac{611412530543}{18\!\cdots\!08}a^{8}+\frac{22\!\cdots\!19}{18\!\cdots\!52}a^{7}-\frac{59455238930227}{75\!\cdots\!32}a^{6}-\frac{11\!\cdots\!47}{11\!\cdots\!72}a^{5}-\frac{27835240572141}{47\!\cdots\!52}a^{4}+\frac{42\!\cdots\!51}{29\!\cdots\!68}a^{3}+\frac{77008387520597}{11\!\cdots\!88}a^{2}-\frac{51\!\cdots\!23}{29\!\cdots\!68}a+\frac{33\!\cdots\!95}{11\!\cdots\!88}$, $\frac{57\!\cdots\!07}{58\!\cdots\!36}a^{15}+\frac{33775909}{37\!\cdots\!16}a^{14}-\frac{26\!\cdots\!97}{14\!\cdots\!84}a^{13}+\frac{381165529}{94\!\cdots\!04}a^{12}-\frac{10\!\cdots\!79}{29\!\cdots\!68}a^{11}-\frac{4510557413}{18\!\cdots\!08}a^{10}-\frac{32\!\cdots\!81}{14\!\cdots\!84}a^{9}-\frac{611412530543}{94\!\cdots\!04}a^{8}+\frac{18\!\cdots\!71}{58\!\cdots\!36}a^{7}-\frac{59455238930227}{37\!\cdots\!16}a^{6}-\frac{41\!\cdots\!87}{36\!\cdots\!96}a^{5}-\frac{27835240572141}{23\!\cdots\!76}a^{4}+\frac{14\!\cdots\!67}{91\!\cdots\!24}a^{3}+\frac{77008387520597}{58\!\cdots\!44}a^{2}-\frac{11\!\cdots\!59}{91\!\cdots\!24}a+\frac{797169563705903}{58\!\cdots\!44}$, $\frac{26\!\cdots\!27}{11\!\cdots\!52}a^{15}+\frac{84\!\cdots\!27}{74\!\cdots\!16}a^{14}-\frac{39\!\cdots\!49}{29\!\cdots\!88}a^{13}-\frac{14\!\cdots\!89}{18\!\cdots\!04}a^{12}+\frac{21\!\cdots\!49}{59\!\cdots\!76}a^{11}+\frac{58\!\cdots\!49}{37\!\cdots\!08}a^{10}-\frac{21\!\cdots\!05}{29\!\cdots\!88}a^{9}-\frac{70\!\cdots\!49}{18\!\cdots\!04}a^{8}-\frac{13\!\cdots\!85}{11\!\cdots\!52}a^{7}-\frac{44\!\cdots\!01}{74\!\cdots\!16}a^{6}-\frac{30\!\cdots\!39}{74\!\cdots\!72}a^{5}-\frac{98\!\cdots\!39}{46\!\cdots\!76}a^{4}+\frac{61\!\cdots\!31}{18\!\cdots\!68}a^{3}+\frac{20\!\cdots\!47}{11\!\cdots\!44}a^{2}-\frac{24\!\cdots\!63}{18\!\cdots\!68}a-\frac{81\!\cdots\!63}{11\!\cdots\!44}$, $\frac{25\!\cdots\!51}{18\!\cdots\!68}a^{15}+\frac{20\!\cdots\!01}{37\!\cdots\!08}a^{14}-\frac{20\!\cdots\!95}{46\!\cdots\!92}a^{13}-\frac{31\!\cdots\!07}{92\!\cdots\!52}a^{12}-\frac{65\!\cdots\!51}{93\!\cdots\!84}a^{11}+\frac{58\!\cdots\!87}{18\!\cdots\!04}a^{10}-\frac{20\!\cdots\!99}{46\!\cdots\!92}a^{9}+\frac{41\!\cdots\!13}{92\!\cdots\!52}a^{8}+\frac{18\!\cdots\!67}{18\!\cdots\!68}a^{7}+\frac{15\!\cdots\!37}{37\!\cdots\!08}a^{6}-\frac{22\!\cdots\!83}{58\!\cdots\!24}a^{5}-\frac{31\!\cdots\!57}{23\!\cdots\!88}a^{4}-\frac{36\!\cdots\!43}{36\!\cdots\!14}a^{3}+\frac{51\!\cdots\!61}{58\!\cdots\!72}a^{2}+\frac{27\!\cdots\!45}{29\!\cdots\!12}a-\frac{15\!\cdots\!81}{58\!\cdots\!72}$, $\frac{68\!\cdots\!59}{29\!\cdots\!88}a^{15}-\frac{13\!\cdots\!93}{74\!\cdots\!72}a^{13}+\frac{94\!\cdots\!57}{14\!\cdots\!44}a^{11}-\frac{14\!\cdots\!45}{74\!\cdots\!72}a^{9}+\frac{13\!\cdots\!55}{29\!\cdots\!88}a^{7}-\frac{87\!\cdots\!07}{18\!\cdots\!68}a^{5}+\frac{10\!\cdots\!55}{46\!\cdots\!92}a^{3}-\frac{23\!\cdots\!03}{46\!\cdots\!92}a$, $\frac{59\!\cdots\!09}{11\!\cdots\!72}a^{15}+\frac{58\!\cdots\!37}{37\!\cdots\!08}a^{14}-\frac{33\!\cdots\!55}{29\!\cdots\!68}a^{13}-\frac{35\!\cdots\!27}{92\!\cdots\!52}a^{12}+\frac{27\!\cdots\!11}{58\!\cdots\!36}a^{11}+\frac{36\!\cdots\!63}{18\!\cdots\!04}a^{10}-\frac{47\!\cdots\!07}{29\!\cdots\!68}a^{9}-\frac{49\!\cdots\!63}{92\!\cdots\!52}a^{8}+\frac{23\!\cdots\!93}{11\!\cdots\!72}a^{7}+\frac{95\!\cdots\!09}{37\!\cdots\!08}a^{6}-\frac{27\!\cdots\!81}{73\!\cdots\!92}a^{5}-\frac{11\!\cdots\!81}{23\!\cdots\!88}a^{4}+\frac{55\!\cdots\!73}{18\!\cdots\!48}a^{3}+\frac{62\!\cdots\!97}{58\!\cdots\!72}a^{2}+\frac{10\!\cdots\!55}{18\!\cdots\!48}a-\frac{74\!\cdots\!41}{58\!\cdots\!72}$ (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: | \( 1833256639.05 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{8}\cdot 1833256639.05 \cdot 1728}{2\cdot\sqrt{5569165027023164184679061585237737681}}\cr\approx \mathstrut & 1.63035024166 \end{aligned}\] (assuming GRH)
Galois group
$\OD_{16}:C_2$ (as 16T36):
A solvable group of order 32 |
The 11 conjugacy class representatives for $\OD_{16}:C_2$ |
Character table for $\OD_{16}:C_2$ |
Intermediate fields
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 | ${\href{/padicField/2.2.0.1}{2} }^{8}$ | ${\href{/padicField/3.8.0.1}{8} }^{2}$ | ${\href{/padicField/5.4.0.1}{4} }^{4}$ | ${\href{/padicField/7.8.0.1}{8} }^{2}$ | ${\href{/padicField/11.8.0.1}{8} }^{2}$ | ${\href{/padicField/13.8.0.1}{8} }^{2}$ | ${\href{/padicField/17.8.0.1}{8} }^{2}$ | ${\href{/padicField/19.8.0.1}{8} }^{2}$ | ${\href{/padicField/23.2.0.1}{2} }^{8}$ | ${\href{/padicField/29.8.0.1}{8} }^{2}$ | ${\href{/padicField/31.2.0.1}{2} }^{8}$ | ${\href{/padicField/37.2.0.1}{2} }^{8}$ | R | ${\href{/padicField/43.2.0.1}{2} }^{8}$ | ${\href{/padicField/47.8.0.1}{8} }^{2}$ | ${\href{/padicField/53.8.0.1}{8} }^{2}$ | R |
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 |
---|---|---|---|---|---|---|---|
\(41\) | 41.8.7.3 | $x^{8} + 41$ | $8$ | $1$ | $7$ | $C_8$ | $[\ ]_{8}$ |
41.8.7.3 | $x^{8} + 41$ | $8$ | $1$ | $7$ | $C_8$ | $[\ ]_{8}$ | |
\(59\) | 59.2.1.2 | $x^{2} + 59$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ |
59.2.1.2 | $x^{2} + 59$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
59.2.1.2 | $x^{2} + 59$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
59.2.1.2 | $x^{2} + 59$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
59.2.1.2 | $x^{2} + 59$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
59.2.1.2 | $x^{2} + 59$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
59.2.1.2 | $x^{2} + 59$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
59.2.1.2 | $x^{2} + 59$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ |