Defining polynomial
| \( x^{10} + 2 x^{6} + 2 x^{5} + 2 x^{4} + 2 x^{3} + 2 x^{2} + 2 \) |
Invariants
| Base field: | $\Q_{2}$ |
| Degree $d$: | $10$ |
| Ramification exponent $e$: | $10$ |
| Residue field degree $f$: | $1$ |
| Discriminant exponent $c$: | $12$ |
| 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
| 2.5.4.1 |
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: | \( x^{10} + 2 x^{6} + 2 x^{5} + 2 x^{4} + 2 x^{3} + 2 x^{2} + 2 \) |
Invariants of the Galois closure
| Galois group: | $C_2^4:C_5:C_4$ (as 10T25) |
| Inertia group: | $C_2^4 : C_5$ |
| Unramified degree: | $4$ |
| Tame degree: | $5$ |
| Wild slopes: | [8/5, 8/5, 8/5, 8/5] |
| Galois mean slope: | $31/20$ |
| Galois splitting model: | $x^{10} - x^{8} + 10 x^{6} + 10 x^{4} + 5 x^{2} - 5$ |