Defining polynomial
\(x^{14} - 836 x^{13} + 11529618 x^{12} + 40153059632 x^{11} + 45701018933715 x^{10} - 27199543314328911 x^{9} - 122971941784309357645 x^{8} - 171679318980585845579840 x^{7} - 4585575958956710706912 x^{6} + 50052189831457642637 x^{5} + 1651410192170735556 x^{4} - 8261685479759434 x^{3} - 232742465638578 x^{2} - 829512973792 x - 15195819563\) |
Invariants
Base field: | $\Q_{19}$ |
Degree $d$: | $14$ |
Ramification exponent $e$: | $2$ |
Residue field degree $f$: | $7$ |
Discriminant exponent $c$: | $7$ |
Discriminant root field: | $\Q_{19}(\sqrt{19})$ |
Root number: | $i$ |
$\card{ \Gal(K/\Q_{ 19 }) }$: | $14$ |
This field is Galois and abelian over $\Q_{19}.$ | |
Visible slopes: | None |
Intermediate fields
$\Q_{19}(\sqrt{19})$, 19.7.0.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
Unramified subfield: | 19.7.0.1 $\cong \Q_{19}(t)$ where $t$ is a root of \( x^{7} + 6 x + 17 \) |
Relative Eisenstein polynomial: | \( x^{2} + \left(38 t^{6} + 266 t^{5} + 19 t^{4} + 304 t^{3} + 209 t^{2} + 152 t + 76\right) x + 19 t \) $\ \in\Q_{19}(t)[x]$ |
Ramification polygon
Residual polynomials: | $z + 2$ |
Associated inertia: | $1$ |
Indices of inseparability: | $[0]$ |
Invariants of the Galois closure
Galois group: | $C_{14}$ (as 14T1) |
Inertia group: | Intransitive group isomorphic to $C_2$ |
Wild inertia group: | $C_1$ |
Unramified degree: | $7$ |
Tame degree: | $2$ |
Wild slopes: | None |
Galois mean slope: | $1/2$ |
Galois splitting model: | Not computed |