Defining polynomial
| \( x^{12} - 12 x^{10} + 6 x^{9} - 9 x^{8} + 9 x^{7} - 12 x^{6} - 9 x^{5} + 9 x^{4} - 9 x^{3} - 9 \) |
Invariants
| Base field: | $\Q_{3}$ |
| Degree $d$ : | $12$ |
| Ramification exponent $e$ : | $6$ |
| Residue field degree $f$ : | $2$ |
| Discriminant exponent $c$ : | $18$ |
| Discriminant root field: | $\Q_{3}(\sqrt{*})$ |
| Root number: | $-1$ |
| $|\Aut(K/\Q_{ 3 })|$: | $6$ |
| This field is not Galois over $\Q_{3}$. | |
Intermediate fields
| $\Q_{3}(\sqrt{*})$, 3.4.2.2, 3.6.8.8 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
| Unramified subfield: | $\Q_{3}(\sqrt{*})$ $\cong \Q_{3}(t)$ where $t$ is a root of \( x^{2} - x + 2 \) |
| Relative Eisenstein polynomial: | $ x^{6} + \left(12 t - 6\right) x^{5} + \left(3 t - 12\right) x^{4} + \left(-9 t + 12\right) x^{3} - 9 t x - 6 t + 6 \in\Q_{3}(t)[x]$ |
Invariants of the Galois closure
| Galois group: | $C_3\times C_3:C_4$ (as 12T19) |
| Inertia group: | Intransitive group isomorphic to $C_3\times C_6$ |
| Unramified degree: | $2$ |
| Tame degree: | $2$ |
| Wild slopes: | [2, 2] |
| Galois mean slope: | $11/6$ |
| Galois splitting model: | $x^{12} - 168 x^{10} + 8820 x^{8} - 179256 x^{6} + 1575252 x^{4} - 6075216 x^{2} + 8470728$ |