Defining polynomial
\(x^{10} + 55 x^{8} + 20 x^{7} + 1210 x^{6} - 202 x^{5} + 13410 x^{4} - 14080 x^{3} + 75585 x^{2} - 68970 x + 171252\) |
Invariants
Base field: | $\Q_{11}$ |
Degree $d$: | $10$ |
Ramification exponent $e$: | $2$ |
Residue field degree $f$: | $5$ |
Discriminant exponent $c$: | $5$ |
Discriminant root field: | $\Q_{11}(\sqrt{11\cdot 2})$ |
Root number: | $i$ |
$\card{ \Gal(K/\Q_{ 11 }) }$: | $10$ |
This field is Galois and abelian over $\Q_{11}.$ | |
Visible slopes: | None |
Intermediate fields
$\Q_{11}(\sqrt{11\cdot 2})$, 11.5.0.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
Unramified subfield: | 11.5.0.1 $\cong \Q_{11}(t)$ where $t$ is a root of \( x^{5} + 10 x^{2} + 9 \) |
Relative Eisenstein polynomial: | \( x^{2} + 11 \) $\ \in\Q_{11}(t)[x]$ |
Ramification polygon
Residual polynomials: | $z + 2$ |
Associated inertia: | $1$ |
Indices of inseparability: | $[0]$ |
Invariants of the Galois closure
Galois group: | $C_{10}$ (as 10T1) |
Inertia group: | Intransitive group isomorphic to $C_2$ |
Wild inertia group: | $C_1$ |
Unramified degree: | $5$ |
Tame degree: | $2$ |
Wild slopes: | None |
Galois mean slope: | $1/2$ |
Galois splitting model: | $x^{10} - 5 x^{9} + 5 x^{8} + 90 x^{6} - 148 x^{5} + 610 x^{4} - 175 x^{3} + 2325 x^{2} - 1625 x + 5965$ |