Defining polynomial
| \( x^{12} - 84 x^{10} + 444 x^{8} + 32 x^{6} - 272 x^{4} - 320 x^{2} + 64 \) |
Invariants
| Base field: | $\Q_{2}$ |
| Degree $d$ : | $12$ |
| Ramification exponent $e$ : | $6$ |
| Residue field degree $f$ : | $2$ |
| Discriminant exponent $c$ : | $22$ |
| Discriminant root field: | $\Q_{2}$ |
| Root number: | $-1$ |
| $|\Gal(K/\Q_{ 2 })|$: | $12$ |
| This field is Galois over $\Q_{2}$. | |
Intermediate fields
| $\Q_{2}(\sqrt{*})$, $\Q_{2}(\sqrt{2})$, $\Q_{2}(\sqrt{2*})$, 2.3.2.1 x3, 2.4.6.1, 2.6.4.1, 2.6.11.1 x3, 2.6.11.5 x3 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
| Unramified subfield: | $\Q_{2}(\sqrt{*})$ $\cong \Q_{2}(t)$ where $t$ is a root of \( x^{2} - x + 1 \) |
| Relative Eisenstein polynomial: | $ x^{6} - 10 x^{4} + \left(16 t - 4\right) x^{2} - 10 \in\Q_{2}(t)[x]$ |
Invariants of the Galois closure
| Galois group: | $D_6$ (as 12T3) |
| Inertia group: | Intransitive group isomorphic to $C_6$ |
| Unramified degree: | $2$ |
| Tame degree: | $3$ |
| Wild slopes: | [3] |
| Galois mean slope: | $11/6$ |
| Galois splitting model: | $x^{12} - 2 x^{10} + 4 x^{8} + 4 x^{6} + 20 x^{4} + 16 x^{2} + 4$ |