Defining polynomial
| \( x^{12} + 4 x^{10} + 4 x^{9} + 4 x^{8} + 4 x^{7} + 4 x^{6} + 4 x^{5} + 4 x + 2 \) |
Invariants
| Base field: | $\Q_{2}$ |
| Degree $d$ : | $12$ |
| Ramification exponent $e$ : | $12$ |
| Residue field degree $f$ : | $1$ |
| Discriminant exponent $c$ : | $24$ |
| Discriminant root field: | $\Q_{2}(\sqrt{*})$ |
| Root number: | $1$ |
| $|\Aut(K/\Q_{ 2 })|$: | $1$ |
| This field is not Galois over $\Q_{2}$. | |
Intermediate fields
| 2.3.2.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
| Unramified subfield: | $\Q_{2}$ |
| Relative Eisenstein polynomial: | \( x^{12} + 4 x^{10} + 4 x^{9} + 4 x^{8} + 4 x^{7} + 4 x^{6} + 4 x^{5} + 4 x + 2 \) |
Invariants of the Galois closure
| Galois group: | 12T254 |
| Inertia group: | 12T166 |
| Unramified degree: | $6$ |
| Tame degree: | $9$ |
| Wild slopes: | [22/9, 22/9, 22/9, 22/9, 22/9, 22/9] |
| Galois mean slope: | $697/288$ |
| Galois splitting model: | $x^{12} - 4 x^{11} - 24 x^{10} + 260 x^{9} + 1474 x^{8} + 1212 x^{7} - 5684 x^{6} - 11824 x^{5} + 228 x^{4} + 15648 x^{3} + 6264 x^{2} - 9720 x - 8100$ |