Defining polynomial
|
\(x^{8} + 132 x^{7} + 6542 x^{6} + 144540 x^{5} + 1212155 x^{4} + 293964 x^{3} + 267038 x^{2} + 5290428 x + 43558414\)
|
Invariants
| Base field: | $\Q_{37}$ |
| Degree $d$: | $8$ |
| Ramification exponent $e$: | $4$ |
| Residue field degree $f$: | $2$ |
| Discriminant exponent $c$: | $6$ |
| Discriminant root field: | $\Q_{37}$ |
| Root number: | $-1$ |
| $\card{ \Gal(K/\Q_{ 37 }) }$: | $8$ |
| This field is Galois and abelian over $\Q_{37}.$ | |
| Visible slopes: | None |
Intermediate fields
| $\Q_{37}(\sqrt{2})$, $\Q_{37}(\sqrt{37})$, $\Q_{37}(\sqrt{37\cdot 2})$, 37.4.2.1, 37.4.3.1, 37.4.3.2 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
| Unramified subfield: | $\Q_{37}(\sqrt{2})$ $\cong \Q_{37}(t)$ where $t$ is a root of
\( x^{2} + 33 x + 2 \)
|
| Relative Eisenstein polynomial: |
\( x^{4} + 37 \)
$\ \in\Q_{37}(t)[x]$
|
Ramification polygon
| Residual polynomials: | $z^{3} + 4z^{2} + 6z + 4$ |
| Associated inertia: | $1$ |
| Indices of inseparability: | $[0]$ |
Invariants of the Galois closure
| Galois group: | $C_2\times C_4$ (as 8T2) |
| Inertia group: | Intransitive group isomorphic to $C_4$ |
| Wild inertia group: | $C_1$ |
| Unramified degree: | $2$ |
| Tame degree: | $4$ |
| Wild slopes: | None |
| Galois mean slope: | $3/4$ |
| Galois splitting model: | Not computed |