Defining polynomial
\( x^{8} - x + 3 \) |
Invariants
Base field: | $\Q_{7}$ |
Degree $d$: | $8$ |
Ramification exponent $e$: | $1$ |
Residue field degree $f$: | $8$ |
Discriminant exponent $c$: | $0$ |
Discriminant root field: | $\Q_{7}(\sqrt{3})$ |
Root number: | $1$ |
$|\Gal(K/\Q_{ 7 })|$: | $8$ |
This field is Galois and abelian over $\Q_{7}.$ |
Intermediate fields
$\Q_{7}(\sqrt{3})$, 7.4.0.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
Unramified subfield: | 7.8.0.1 $\cong \Q_{7}(t)$ where $t$ is a root of \( x^{8} - x + 3 \) |
Relative Eisenstein polynomial: | $ x - 7 \in\Q_{7}(t)[x]$ |