Normalized defining polynomial
\( x^{16} + 496 x^{14} + 99711 x^{12} + 10503607 x^{10} + 620292337 x^{8} + 20131740705 x^{6} + \cdots + 2729569883881 \)
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: | \(190734124825347477084727321600000000\) \(\medspace = 2^{16}\cdot 5^{8}\cdot 1652141^{4}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(160.33\) | 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: | not computed | ||
Ramified primes: | \(2\), \(5\), \(1652141\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q\) | ||
$\card{ \Aut(K/\Q) }$: | $2$ | sage: K.automorphisms()
magma: Automorphisms(K);
oscar: automorphisms(K)
| |
This field is not Galois over $\Q$. | |||
This is a CM field. | |||
Reflex fields: | unavailable$^{128}$ |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $a^{13}$, $\frac{1}{89\!\cdots\!77}a^{14}+\frac{27\!\cdots\!45}{89\!\cdots\!77}a^{12}-\frac{14\!\cdots\!94}{89\!\cdots\!77}a^{10}-\frac{31\!\cdots\!55}{89\!\cdots\!77}a^{8}-\frac{27\!\cdots\!81}{89\!\cdots\!77}a^{6}+\frac{43\!\cdots\!57}{89\!\cdots\!77}a^{4}+\frac{38\!\cdots\!52}{89\!\cdots\!77}a^{2}+\frac{19\!\cdots\!61}{54\!\cdots\!97}$, $\frac{1}{89\!\cdots\!77}a^{15}+\frac{27\!\cdots\!45}{89\!\cdots\!77}a^{13}-\frac{14\!\cdots\!94}{89\!\cdots\!77}a^{11}-\frac{31\!\cdots\!55}{89\!\cdots\!77}a^{9}-\frac{27\!\cdots\!81}{89\!\cdots\!77}a^{7}+\frac{43\!\cdots\!57}{89\!\cdots\!77}a^{5}+\frac{38\!\cdots\!52}{89\!\cdots\!77}a^{3}+\frac{19\!\cdots\!61}{54\!\cdots\!97}a$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
$C_{2}\times C_{2}\times C_{3714216}$, which has order $14856864$ (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: | $\frac{97\!\cdots\!94}{86\!\cdots\!03}a^{14}+\frac{43\!\cdots\!11}{86\!\cdots\!03}a^{12}+\frac{77\!\cdots\!19}{86\!\cdots\!03}a^{10}+\frac{67\!\cdots\!46}{86\!\cdots\!03}a^{8}+\frac{30\!\cdots\!79}{86\!\cdots\!03}a^{6}+\frac{60\!\cdots\!51}{86\!\cdots\!03}a^{4}+\frac{36\!\cdots\!20}{86\!\cdots\!03}a^{2}+\frac{11\!\cdots\!68}{52\!\cdots\!83}$, $\frac{13\!\cdots\!59}{89\!\cdots\!77}a^{14}+\frac{59\!\cdots\!64}{89\!\cdots\!77}a^{12}+\frac{10\!\cdots\!31}{89\!\cdots\!77}a^{10}+\frac{87\!\cdots\!47}{89\!\cdots\!77}a^{8}+\frac{36\!\cdots\!93}{89\!\cdots\!77}a^{6}+\frac{66\!\cdots\!01}{89\!\cdots\!77}a^{4}+\frac{32\!\cdots\!43}{89\!\cdots\!77}a^{2}+\frac{23\!\cdots\!16}{54\!\cdots\!97}$, $\frac{11\!\cdots\!62}{89\!\cdots\!77}a^{14}+\frac{48\!\cdots\!77}{89\!\cdots\!77}a^{12}+\frac{80\!\cdots\!78}{89\!\cdots\!77}a^{10}+\frac{65\!\cdots\!66}{89\!\cdots\!77}a^{8}+\frac{26\!\cdots\!85}{89\!\cdots\!77}a^{6}+\frac{50\!\cdots\!69}{89\!\cdots\!77}a^{4}+\frac{31\!\cdots\!56}{89\!\cdots\!77}a^{2}+\frac{32\!\cdots\!98}{54\!\cdots\!97}$, $\frac{22\!\cdots\!65}{89\!\cdots\!77}a^{14}+\frac{10\!\cdots\!64}{89\!\cdots\!77}a^{12}+\frac{17\!\cdots\!66}{89\!\cdots\!77}a^{10}+\frac{14\!\cdots\!75}{89\!\cdots\!77}a^{8}+\frac{61\!\cdots\!36}{89\!\cdots\!77}a^{6}+\frac{11\!\cdots\!64}{89\!\cdots\!77}a^{4}+\frac{76\!\cdots\!38}{89\!\cdots\!77}a^{2}+\frac{78\!\cdots\!11}{54\!\cdots\!97}$, $\frac{22\!\cdots\!65}{89\!\cdots\!77}a^{14}+\frac{10\!\cdots\!64}{89\!\cdots\!77}a^{12}+\frac{17\!\cdots\!66}{89\!\cdots\!77}a^{10}+\frac{14\!\cdots\!75}{89\!\cdots\!77}a^{8}+\frac{61\!\cdots\!36}{89\!\cdots\!77}a^{6}+\frac{11\!\cdots\!64}{89\!\cdots\!77}a^{4}+\frac{76\!\cdots\!38}{89\!\cdots\!77}a^{2}+\frac{73\!\cdots\!14}{54\!\cdots\!97}$, $\frac{15\!\cdots\!86}{89\!\cdots\!77}a^{14}+\frac{66\!\cdots\!10}{89\!\cdots\!77}a^{12}+\frac{10\!\cdots\!99}{89\!\cdots\!77}a^{10}+\frac{87\!\cdots\!22}{89\!\cdots\!77}a^{8}+\frac{35\!\cdots\!18}{89\!\cdots\!77}a^{6}+\frac{65\!\cdots\!13}{89\!\cdots\!77}a^{4}+\frac{37\!\cdots\!86}{89\!\cdots\!77}a^{2}+\frac{34\!\cdots\!27}{54\!\cdots\!97}$, $\frac{36\!\cdots\!24}{89\!\cdots\!77}a^{14}+\frac{16\!\cdots\!28}{89\!\cdots\!77}a^{12}+\frac{27\!\cdots\!97}{89\!\cdots\!77}a^{10}+\frac{23\!\cdots\!22}{89\!\cdots\!77}a^{8}+\frac{97\!\cdots\!29}{89\!\cdots\!77}a^{6}+\frac{18\!\cdots\!65}{89\!\cdots\!77}a^{4}+\frac{10\!\cdots\!81}{89\!\cdots\!77}a^{2}+\frac{96\!\cdots\!30}{54\!\cdots\!97}$ (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: | \( 6960.86418224 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{8}\cdot 6960.86418224 \cdot 14856864}{2\cdot\sqrt{190734124825347477084727321600000000}}\cr\approx \mathstrut & 0.287597468266 \end{aligned}\] (assuming GRH)
Galois group
$C_2^6.S_4\wr C_2$ (as 16T1869):
A solvable group of order 73728 |
The 77 conjugacy class representatives for $C_2^6.S_4\wr C_2$ |
Character table for $C_2^6.S_4\wr C_2$ |
Intermediate fields
\(\Q(\sqrt{5}) \), 8.8.1032588125.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
Degree 16 siblings: | data not computed |
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 | ${\href{/padicField/3.8.0.1}{8} }^{2}$ | R | ${\href{/padicField/7.12.0.1}{12} }{,}\,{\href{/padicField/7.4.0.1}{4} }$ | ${\href{/padicField/11.8.0.1}{8} }{,}\,{\href{/padicField/11.6.0.1}{6} }{,}\,{\href{/padicField/11.1.0.1}{1} }^{2}$ | ${\href{/padicField/13.12.0.1}{12} }{,}\,{\href{/padicField/13.4.0.1}{4} }$ | ${\href{/padicField/17.12.0.1}{12} }{,}\,{\href{/padicField/17.4.0.1}{4} }$ | ${\href{/padicField/19.8.0.1}{8} }{,}\,{\href{/padicField/19.4.0.1}{4} }{,}\,{\href{/padicField/19.2.0.1}{2} }^{2}$ | ${\href{/padicField/23.8.0.1}{8} }^{2}$ | ${\href{/padicField/29.8.0.1}{8} }{,}\,{\href{/padicField/29.4.0.1}{4} }{,}\,{\href{/padicField/29.2.0.1}{2} }^{2}$ | ${\href{/padicField/31.4.0.1}{4} }{,}\,{\href{/padicField/31.3.0.1}{3} }^{2}{,}\,{\href{/padicField/31.2.0.1}{2} }^{3}$ | ${\href{/padicField/37.8.0.1}{8} }^{2}$ | ${\href{/padicField/41.4.0.1}{4} }^{4}$ | ${\href{/padicField/43.8.0.1}{8} }^{2}$ | ${\href{/padicField/47.4.0.1}{4} }^{4}$ | ${\href{/padicField/53.12.0.1}{12} }{,}\,{\href{/padicField/53.4.0.1}{4} }$ | ${\href{/padicField/59.8.0.1}{8} }{,}\,{\href{/padicField/59.3.0.1}{3} }^{2}{,}\,{\href{/padicField/59.2.0.1}{2} }$ |
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 |
---|---|---|---|---|---|---|---|
\(2\) | Deg $16$ | $2$ | $8$ | $16$ | |||
\(5\) | 5.2.1.1 | $x^{2} + 5$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ |
5.2.1.1 | $x^{2} + 5$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
5.6.3.1 | $x^{6} + 60 x^{5} + 1221 x^{4} + 8846 x^{3} + 9864 x^{2} + 29208 x + 29309$ | $2$ | $3$ | $3$ | $C_6$ | $[\ ]_{2}^{3}$ | |
5.6.3.1 | $x^{6} + 60 x^{5} + 1221 x^{4} + 8846 x^{3} + 9864 x^{2} + 29208 x + 29309$ | $2$ | $3$ | $3$ | $C_6$ | $[\ ]_{2}^{3}$ | |
\(1652141\) | $\Q_{1652141}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ |
$\Q_{1652141}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | ||
Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | ||
Deg $3$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ | ||
Deg $3$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ | ||
Deg $4$ | $2$ | $2$ | $2$ |