Defining polynomial
| \( x^{15} - 3 x + 7 \) |
Invariants
| Base field: | $\Q_{17}$ |
| Degree $d$: | $15$ |
| Ramification exponent $e$: | $1$ |
| Residue field degree $f$: | $15$ |
| Discriminant exponent $c$: | $0$ |
| Discriminant root field: | $\Q_{17}$ |
| Root number: | $1$ |
| $|\Gal(K/\Q_{ 17 })|$: | $15$ |
| This field is Galois and abelian over $\Q_{17}.$ | |
Intermediate fields
| 17.3.0.1, 17.5.0.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
| Unramified subfield: | 17.15.0.1 $\cong \Q_{17}(t)$ where $t$ is a root of \( x^{15} - 3 x + 7 \) |
| Relative Eisenstein polynomial: | $ x - 17 \in\Q_{17}(t)[x]$ |
Invariants of the Galois closure
| Galois group: | $C_{15}$ (as 15T1) |
| Inertia group: | trivial |
| Unramified degree: | $15$ |
| Tame degree: | $1$ |
| Wild slopes: | None |
| Galois mean slope: | $0$ |
| Galois splitting model: | Not computed |