Defining polynomial
\(x^{4} + 2 x^{3} + 2\) |
Invariants
Base field: | $\Q_{3}$ |
Degree $d$: | $4$ |
Ramification exponent $e$: | $1$ |
Residue field degree $f$: | $4$ |
Discriminant exponent $c$: | $0$ |
Discriminant root field: | $\Q_{3}(\sqrt{2})$ |
Root number: | $1$ |
$\card{ \Gal(K/\Q_{ 3 }) }$: | $4$ |
This field is Galois and abelian over $\Q_{3}.$ | |
Visible slopes: | None |
Intermediate fields
$\Q_{3}(\sqrt{2})$ |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
Unramified subfield: | 3.4.0.1 $\cong \Q_{3}(t)$ where $t$ is a root of \( x^{4} + 2 x^{3} + 2 \) |
Relative Eisenstein polynomial: | \( x - 3 \) $\ \in\Q_{3}(t)[x]$ |
Ramification polygon
The ramification polygon is trivial for unramified extensions.