Defining polynomial
\(x^{9} + 6 x^{8} + 21\) |
Invariants
Base field: | $\Q_{3}$ |
Degree $d$: | $9$ |
Ramification exponent $e$: | $9$ |
Residue field degree $f$: | $1$ |
Discriminant exponent $c$: | $16$ |
Discriminant root field: | $\Q_{3}(\sqrt{2})$ |
Root number: | $1$ |
$\card{ \Aut(K/\Q_{ 3 }) }$: | $3$ |
This field is not Galois over $\Q_{3}.$ | |
Visible slopes: | $[2, 2]$ |
Intermediate fields
3.3.4.1, 3.3.4.4 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
Unramified subfield: | $\Q_{3}$ |
Relative Eisenstein polynomial: | \( x^{9} + 6 x^{8} + 21 \) |
Ramification polygon
Residual polynomials: | $z^{8} + 2$ |
Associated inertia: | $2$ |
Indices of inseparability: | $[8, 8, 0]$ |