Normalized defining polynomial
\( x^{9} - 3x^{8} + 3x^{7} + 3x^{6} - 3x^{5} - 3x^{4} + 15x^{3} - 9x^{2} + 12 \)
Invariants
Degree: | $9$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
| |
Signature: | $[1, 4]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
| |
Discriminant: | \(186659085312\) \(\medspace = 2^{10}\cdot 3^{12}\cdot 7^{3}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(17.88\) | 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: | $2^{2}3^{25/18}7^{1/2}\approx 48.671801442912624$ | ||
Ramified primes: | \(2\), \(3\), \(7\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q(\sqrt{7}) \) | ||
$\card{ \Aut(K/\Q) }$: | $1$ | 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 \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $\frac{1}{2}a^{5}-\frac{1}{2}a$, $\frac{1}{4}a^{6}-\frac{1}{4}a^{5}-\frac{1}{2}a^{4}+\frac{1}{4}a^{2}-\frac{1}{4}a-\frac{1}{2}$, $\frac{1}{4}a^{7}-\frac{1}{4}a^{5}-\frac{1}{2}a^{4}+\frac{1}{4}a^{3}-\frac{1}{4}a-\frac{1}{2}$, $\frac{1}{56}a^{8}+\frac{1}{28}a^{7}-\frac{1}{56}a^{6}-\frac{1}{28}a^{5}-\frac{27}{56}a^{4}+\frac{1}{28}a^{3}+\frac{11}{56}a^{2}-\frac{5}{28}a-\frac{1}{7}$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
Trivial group, which has order $1$
Unit group
Rank: | $4$ | 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: | $\frac{1}{8}a^{8}-\frac{1}{4}a^{7}+\frac{1}{8}a^{6}+\frac{1}{2}a^{5}+\frac{1}{8}a^{4}-\frac{1}{4}a^{3}+\frac{13}{8}a^{2}+\frac{1}{2}a-\frac{1}{2}$, $\frac{1}{56}a^{8}+\frac{1}{28}a^{7}-\frac{1}{56}a^{6}-\frac{1}{28}a^{5}+\frac{29}{56}a^{4}+\frac{1}{28}a^{3}+\frac{11}{56}a^{2}+\frac{23}{28}a-\frac{1}{7}$, $\frac{1}{8}a^{8}-\frac{1}{2}a^{7}+\frac{7}{8}a^{6}-\frac{1}{2}a^{5}+\frac{1}{8}a^{4}+\frac{1}{2}a^{3}-\frac{5}{8}a^{2}+\frac{1}{2}a+\frac{1}{2}$, $\frac{1}{28}a^{8}-\frac{5}{28}a^{7}+\frac{5}{7}a^{6}-\frac{4}{7}a^{5}+\frac{1}{28}a^{4}+\frac{23}{28}a^{3}+\frac{8}{7}a^{2}-\frac{20}{7}a+\frac{19}{7}$ | 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: | \( 440.372217029 \) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{1}\cdot(2\pi)^{4}\cdot 440.372217029 \cdot 1}{2\cdot\sqrt{186659085312}}\cr\approx \mathstrut & 1.58860095177 \end{aligned}\]
Galois group
$S_3\wr S_3$ (as 9T31):
A solvable group of order 1296 |
The 22 conjugacy class representatives for $S_3\wr S_3$ |
Character table for $S_3\wr S_3$ is not computed |
Intermediate fields
3.1.756.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
Degree 12 sibling: | data not computed |
Degree 18 siblings: | data not computed |
Degree 24 siblings: | data not computed |
Degree 27 siblings: | data not computed |
Degree 36 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 | R | ${\href{/padicField/5.6.0.1}{6} }{,}\,{\href{/padicField/5.3.0.1}{3} }$ | R | ${\href{/padicField/11.6.0.1}{6} }{,}\,{\href{/padicField/11.3.0.1}{3} }$ | ${\href{/padicField/13.4.0.1}{4} }{,}\,{\href{/padicField/13.2.0.1}{2} }^{2}{,}\,{\href{/padicField/13.1.0.1}{1} }$ | ${\href{/padicField/17.3.0.1}{3} }{,}\,{\href{/padicField/17.2.0.1}{2} }{,}\,{\href{/padicField/17.1.0.1}{1} }^{4}$ | ${\href{/padicField/19.9.0.1}{9} }$ | ${\href{/padicField/23.6.0.1}{6} }{,}\,{\href{/padicField/23.3.0.1}{3} }$ | ${\href{/padicField/29.4.0.1}{4} }{,}\,{\href{/padicField/29.3.0.1}{3} }{,}\,{\href{/padicField/29.2.0.1}{2} }$ | ${\href{/padicField/31.9.0.1}{9} }$ | ${\href{/padicField/37.9.0.1}{9} }$ | ${\href{/padicField/41.6.0.1}{6} }{,}\,{\href{/padicField/41.3.0.1}{3} }$ | ${\href{/padicField/43.4.0.1}{4} }{,}\,{\href{/padicField/43.2.0.1}{2} }^{2}{,}\,{\href{/padicField/43.1.0.1}{1} }$ | ${\href{/padicField/47.4.0.1}{4} }{,}\,{\href{/padicField/47.3.0.1}{3} }{,}\,{\href{/padicField/47.2.0.1}{2} }$ | ${\href{/padicField/53.6.0.1}{6} }{,}\,{\href{/padicField/53.2.0.1}{2} }{,}\,{\href{/padicField/53.1.0.1}{1} }$ | ${\href{/padicField/59.4.0.1}{4} }{,}\,{\href{/padicField/59.3.0.1}{3} }{,}\,{\href{/padicField/59.2.0.1}{2} }$ |
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 |
---|---|---|---|---|---|---|---|
\(2\) | 2.2.2.2 | $x^{2} + 2 x + 6$ | $2$ | $1$ | $2$ | $C_2$ | $[2]$ |
2.3.0.1 | $x^{3} + x + 1$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ | |
2.4.8.5 | $x^{4} + 2 x^{2} + 4 x + 6$ | $4$ | $1$ | $8$ | $D_{4}$ | $[2, 3]^{2}$ | |
\(3\) | 3.9.12.22 | $x^{9} + 6 x^{4} + 6 x^{3} + 3$ | $9$ | $1$ | $12$ | $C_3^2 : C_6$ | $[3/2, 3/2]_{2}^{3}$ |
\(7\) | 7.2.1.1 | $x^{2} + 21$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ |
7.3.0.1 | $x^{3} + 6 x^{2} + 4$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ | |
7.4.2.1 | $x^{4} + 12 x^{3} + 56 x^{2} + 120 x + 268$ | $2$ | $2$ | $2$ | $C_2^2$ | $[\ ]_{2}^{2}$ |
Artin representations
Label | Dimension | Conductor | Artin stem field | $G$ | Ind | $\chi(c)$ | |
---|---|---|---|---|---|---|---|
* | 1.1.1t1.a.a | $1$ | $1$ | \(\Q\) | $C_1$ | $1$ | $1$ |
1.84.2t1.a.a | $1$ | $ 2^{2} \cdot 3 \cdot 7 $ | \(\Q(\sqrt{-21}) \) | $C_2$ (as 2T1) | $1$ | $-1$ | |
1.3.2t1.a.a | $1$ | $ 3 $ | \(\Q(\sqrt{-3}) \) | $C_2$ (as 2T1) | $1$ | $-1$ | |
1.28.2t1.a.a | $1$ | $ 2^{2} \cdot 7 $ | \(\Q(\sqrt{7}) \) | $C_2$ (as 2T1) | $1$ | $1$ | |
2.756.6t3.b.a | $2$ | $ 2^{2} \cdot 3^{3} \cdot 7 $ | 6.2.16003008.1 | $D_{6}$ (as 6T3) | $1$ | $0$ | |
* | 2.756.3t2.b.a | $2$ | $ 2^{2} \cdot 3^{3} \cdot 7 $ | 3.1.756.1 | $S_3$ (as 3T2) | $1$ | $0$ |
3.12096.4t5.a.a | $3$ | $ 2^{6} \cdot 3^{3} \cdot 7 $ | 4.2.12096.1 | $S_4$ (as 4T5) | $1$ | $1$ | |
3.338688.6t11.a.a | $3$ | $ 2^{8} \cdot 3^{3} \cdot 7^{2}$ | 6.0.27433728.1 | $S_4\times C_2$ (as 6T11) | $1$ | $1$ | |
3.1016064.6t8.d.a | $3$ | $ 2^{8} \cdot 3^{4} \cdot 7^{2}$ | 4.2.12096.1 | $S_4$ (as 4T5) | $1$ | $-1$ | |
3.36288.6t11.a.a | $3$ | $ 2^{6} \cdot 3^{4} \cdot 7 $ | 6.0.27433728.1 | $S_4\times C_2$ (as 6T11) | $1$ | $-1$ | |
* | 6.246903552.9t31.a.a | $6$ | $ 2^{8} \cdot 3^{9} \cdot 7^{2}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ |
6.193572384768.18t300.a.a | $6$ | $ 2^{12} \cdot 3^{9} \cdot 7^{4}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ | |
6.193572384768.18t319.a.a | $6$ | $ 2^{12} \cdot 3^{9} \cdot 7^{4}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ | |
6.246903552.18t311.a.a | $6$ | $ 2^{8} \cdot 3^{9} \cdot 7^{2}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ | |
8.728...376.24t2893.b.a | $8$ | $ 2^{20} \cdot 3^{10} \cdot 7^{6}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ | |
8.11851370496.12t213.a.a | $8$ | $ 2^{12} \cdot 3^{10} \cdot 7^{2}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ | |
12.793...864.36t2217.a.a | $12$ | $ 2^{26} \cdot 3^{15} \cdot 7^{7}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $2$ | |
12.910...464.36t2214.a.a | $12$ | $ 2^{22} \cdot 3^{17} \cdot 7^{5}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $-2$ | |
12.122...616.36t2210.a.a | $12$ | $ 2^{28} \cdot 3^{18} \cdot 7^{6}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ | |
12.713...776.36t2216.b.a | $12$ | $ 2^{26} \cdot 3^{17} \cdot 7^{7}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $-2$ | |
12.101...496.18t315.a.a | $12$ | $ 2^{22} \cdot 3^{15} \cdot 7^{5}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $2$ | |
16.699...176.24t2912.a.a | $16$ | $ 2^{32} \cdot 3^{24} \cdot 7^{8}$ | 9.1.186659085312.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ |