Defining polynomial
\(x^{14} + 2 x^{13} + 2 x^{11} + 2 x^{10} + 2 x^{7} + 2 x^{6} + 2 x^{3} + 2\)  |
Invariants
| Base field: | $\Q_{2}$ |
| Degree $d$: | $14$ |
| Ramification exponent $e$: | $14$ |
| Residue field degree $f$: | $1$ |
| Discriminant exponent $c$: | $16$ |
| Discriminant root field: | $\Q_{2}(\sqrt{5})$ |
| Root number: | $1$ |
| $|\Aut(K/\Q_{ 2 })|$: | $2$ |
| This field is not Galois over $\Q_{2}.$ | |
Intermediate fields
| 2.7.6.1 |
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: | \( x^{14} + 2 x^{13} + 2 x^{11} + 2 x^{10} + 2 x^{7} + 2 x^{6} + 2 x^{3} + 2 \) |
Invariants of the Galois closure
| Galois group: | $C_2\times F_8:C_3$ (as 14T18) |
| Inertia group: | 14T6 |
| Unramified degree: | $6$ |
| Tame degree: | $7$ |
| Wild slopes: | [10/7, 10/7, 10/7] |
| Galois mean slope: | $19/14$ |
| Galois splitting model: | $x^{14} - 84 x^{10} - 140 x^{8} + 784 x^{6} - 1008 x^{2} + 432$ |