Defining polynomial
|
\(x^{12} + 386 x^{10} + 109 x^{9} + 55308 x^{8} + 21792 x^{7} + 3500499 x^{6} + 2034936 x^{5} + 84821873 x^{4} + 99877907 x^{3} + 174885148 x^{2} + 920938017 x + 335157671\)
|
Invariants
| Base field: | $\Q_{19}$ |
| Degree $d$: | $12$ |
| Ramification exponent $e$: | $3$ |
| Residue field degree $f$: | $4$ |
| Discriminant exponent $c$: | $8$ |
| Discriminant root field: | $\Q_{19}(\sqrt{2})$ |
| Root number: | $1$ |
| $\card{ \Gal(K/\Q_{ 19 }) }$: | $12$ |
| This field is Galois and abelian over $\Q_{19}.$ | |
| Visible slopes: | None |
Intermediate fields
| $\Q_{19}(\sqrt{2})$, 19.3.2.2, 19.4.0.1, 19.6.4.3 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
| Unramified subfield: | 19.4.0.1 $\cong \Q_{19}(t)$ where $t$ is a root of
\( x^{4} + 2 x^{2} + 11 x + 2 \)
|
| Relative Eisenstein polynomial: |
\( x^{3} + 95 x + 19 \)
$\ \in\Q_{19}(t)[x]$
|
Ramification polygon
| Residual polynomials: | $z^{2} + 3z + 3$ |
| Associated inertia: | $1$ |
| Indices of inseparability: | $[0]$ |
Invariants of the Galois closure
| Galois group: | $C_{12}$ (as 12T1) |
| Inertia group: | Intransitive group isomorphic to $C_3$ |
| Wild inertia group: | $C_1$ |
| Unramified degree: | $4$ |
| Tame degree: | $3$ |
| Wild slopes: | None |
| Galois mean slope: | $2/3$ |
| Galois splitting model: | Not computed |