Defining polynomial
\(x^{10} + 105 x^{9} + 4435 x^{8} + 94710 x^{7} + 1038805 x^{6} + 5025997 x^{5} + 5196440 x^{4} + 2466880 x^{3} + 2611955 x^{2} + 21422390 x + 88673277\) |
Invariants
Base field: | $\Q_{23}$ |
Degree $d$: | $10$ |
Ramification exponent $e$: | $5$ |
Residue field degree $f$: | $2$ |
Discriminant exponent $c$: | $8$ |
Discriminant root field: | $\Q_{23}(\sqrt{5})$ |
Root number: | $1$ |
$\card{ \Aut(K/\Q_{ 23 }) }$: | $2$ |
This field is not Galois over $\Q_{23}.$ | |
Visible slopes: | None |
Intermediate fields
$\Q_{23}(\sqrt{5})$, 23.5.4.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
Unramified subfield: | $\Q_{23}(\sqrt{5})$ $\cong \Q_{23}(t)$ where $t$ is a root of \( x^{2} + 21 x + 5 \) |
Relative Eisenstein polynomial: | \( x^{5} + 23 \) $\ \in\Q_{23}(t)[x]$ |
Ramification polygon
Residual polynomials: | $z^{4} + 5z^{3} + 10z^{2} + 10z + 5$ |
Associated inertia: | $2$ |
Indices of inseparability: | $[0]$ |
Invariants of the Galois closure
Galois group: | $F_5$ (as 10T4) |
Inertia group: | Intransitive group isomorphic to $C_5$ |
Wild inertia group: | $C_1$ |
Unramified degree: | $4$ |
Tame degree: | $5$ |
Wild slopes: | None |
Galois mean slope: | $4/5$ |
Galois splitting model: | Not computed |