Normalized defining polynomial
\( x^{9} - 9x^{7} + 27x^{5} - 31x^{3} + 12x - 1 \)
Invariants
Degree: | $9$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
| |
Signature: | $[7, 1]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
| |
Discriminant: | \(-236372930487\) \(\medspace = -\,3^{9}\cdot 229^{3}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(18.35\) | 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: | $3^{79/54}229^{1/2}\approx 75.49678637311213$ | ||
Ramified primes: | \(3\), \(229\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q(\sqrt{-687}) \) | ||
$\card{ \Aut(K/\Q) }$: | $1$ | 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 \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$
Monogenic: | Yes | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
Trivial group, which has order $1$
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: | $a^{2}-1$, $a+1$, $a^{5}-5a^{3}+4a$, $a$, $a^{7}-7a^{5}+14a^{3}-7a+1$, $a^{7}-8a^{5}+19a^{3}-a^{2}-12a+3$, $a^{7}-7a^{5}-a^{4}+14a^{3}+4a^{2}-7a-2$ | 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: | \( 397.137760612 \) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{7}\cdot(2\pi)^{1}\cdot 397.137760612 \cdot 1}{2\cdot\sqrt{236372930487}}\cr\approx \mathstrut & 0.328474874339 \end{aligned}\]
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 $S_3\wr S_3$ |
Intermediate fields
3.3.229.1 |
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 | ${\href{/padicField/2.4.0.1}{4} }{,}\,{\href{/padicField/2.3.0.1}{3} }{,}\,{\href{/padicField/2.2.0.1}{2} }$ | R | ${\href{/padicField/5.6.0.1}{6} }{,}\,{\href{/padicField/5.3.0.1}{3} }$ | ${\href{/padicField/7.4.0.1}{4} }{,}\,{\href{/padicField/7.2.0.1}{2} }^{2}{,}\,{\href{/padicField/7.1.0.1}{1} }$ | ${\href{/padicField/11.6.0.1}{6} }{,}\,{\href{/padicField/11.3.0.1}{3} }$ | ${\href{/padicField/13.4.0.1}{4} }{,}\,{\href{/padicField/13.2.0.1}{2} }^{2}{,}\,{\href{/padicField/13.1.0.1}{1} }$ | ${\href{/padicField/17.6.0.1}{6} }{,}\,{\href{/padicField/17.3.0.1}{3} }$ | ${\href{/padicField/19.9.0.1}{9} }$ | ${\href{/padicField/23.6.0.1}{6} }{,}\,{\href{/padicField/23.2.0.1}{2} }{,}\,{\href{/padicField/23.1.0.1}{1} }$ | ${\href{/padicField/29.6.0.1}{6} }{,}\,{\href{/padicField/29.2.0.1}{2} }{,}\,{\href{/padicField/29.1.0.1}{1} }$ | ${\href{/padicField/31.4.0.1}{4} }{,}\,{\href{/padicField/31.2.0.1}{2} }^{2}{,}\,{\href{/padicField/31.1.0.1}{1} }$ | ${\href{/padicField/37.3.0.1}{3} }{,}\,{\href{/padicField/37.2.0.1}{2} }^{2}{,}\,{\href{/padicField/37.1.0.1}{1} }^{2}$ | ${\href{/padicField/41.4.0.1}{4} }{,}\,{\href{/padicField/41.3.0.1}{3} }{,}\,{\href{/padicField/41.2.0.1}{2} }$ | ${\href{/padicField/43.9.0.1}{9} }$ | ${\href{/padicField/47.2.0.1}{2} }^{4}{,}\,{\href{/padicField/47.1.0.1}{1} }$ | ${\href{/padicField/53.3.0.1}{3} }^{2}{,}\,{\href{/padicField/53.2.0.1}{2} }{,}\,{\href{/padicField/53.1.0.1}{1} }$ | ${\href{/padicField/59.4.0.1}{4} }{,}\,{\href{/padicField/59.3.0.1}{3} }{,}\,{\href{/padicField/59.2.0.1}{2} }$ |
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 |
---|---|---|---|---|---|---|---|
\(3\) | 3.9.9.9 | $x^{9} + 9 x^{6} + 72 x^{5} - 189 x^{3} + 216 x^{2} + 27$ | $3$ | $3$ | $9$ | $(C_3^3:C_3):C_2$ | $[3/2, 3/2, 3/2]_{2}^{3}$ |
\(229\) | Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
Deg $3$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ | ||
Deg $4$ | $2$ | $2$ | $2$ |
Artin representations
Label | Dimension | Conductor | Artin stem field | $G$ | Ind | $\chi(c)$ | |
---|---|---|---|---|---|---|---|
* | 1.1.1t1.a.a | $1$ | $1$ | \(\Q\) | $C_1$ | $1$ | $1$ |
1.229.2t1.a.a | $1$ | $ 229 $ | \(\Q(\sqrt{229}) \) | $C_2$ (as 2T1) | $1$ | $1$ | |
1.3.2t1.a.a | $1$ | $ 3 $ | \(\Q(\sqrt{-3}) \) | $C_2$ (as 2T1) | $1$ | $-1$ | |
1.687.2t1.a.a | $1$ | $ 3 \cdot 229 $ | \(\Q(\sqrt{-687}) \) | $C_2$ (as 2T1) | $1$ | $-1$ | |
2.2061.6t3.b.a | $2$ | $ 3^{2} \cdot 229 $ | 6.0.324242703.2 | $D_{6}$ (as 6T3) | $1$ | $-2$ | |
* | 2.229.3t2.a.a | $2$ | $ 229 $ | 3.3.229.1 | $S_3$ (as 3T2) | $1$ | $2$ |
3.229.4t5.a.a | $3$ | $ 229 $ | 4.0.229.1 | $S_4$ (as 4T5) | $1$ | $-1$ | |
3.6183.6t11.a.a | $3$ | $ 3^{3} \cdot 229 $ | 6.4.1415907.1 | $S_4\times C_2$ (as 6T11) | $1$ | $1$ | |
3.52441.6t8.c.a | $3$ | $ 229^{2}$ | 4.0.229.1 | $S_4$ (as 4T5) | $1$ | $-1$ | |
3.1415907.6t11.a.a | $3$ | $ 3^{3} \cdot 229^{2}$ | 6.4.1415907.1 | $S_4\times C_2$ (as 6T11) | $1$ | $1$ | |
* | 6.1032196203.9t31.a.a | $6$ | $ 3^{9} \cdot 229^{2}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $4$ |
6.541...523.18t300.a.a | $6$ | $ 3^{9} \cdot 229^{4}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $-4$ | |
6.541...523.18t319.a.a | $6$ | $ 3^{9} \cdot 229^{4}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $4$ | |
6.1032196203.18t311.a.a | $6$ | $ 3^{9} \cdot 229^{2}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $-4$ | |
8.766...361.24t2893.a.a | $8$ | $ 3^{12} \cdot 229^{6}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ | |
8.27869297481.12t213.a.a | $8$ | $ 3^{12} \cdot 229^{2}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ | |
12.127...701.36t2217.a.a | $12$ | $ 3^{18} \cdot 229^{7}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $-4$ | |
12.243...861.36t2214.a.a | $12$ | $ 3^{18} \cdot 229^{5}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $-4$ | |
12.558...169.36t2210.b.a | $12$ | $ 3^{18} \cdot 229^{6}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ | |
12.127...701.36t2216.b.a | $12$ | $ 3^{18} \cdot 229^{7}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $4$ | |
12.243...861.18t315.b.a | $12$ | $ 3^{18} \cdot 229^{5}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $4$ | |
16.213...641.24t2912.b.a | $16$ | $ 3^{24} \cdot 229^{8}$ | 9.7.236372930487.1 | $S_3\wr S_3$ (as 9T31) | $1$ | $0$ |