Defining polynomial
|
\(x^{13} + 17\)
|
Invariants
| Base field: | $\Q_{17}$ |
| Degree $d$: | $13$ |
| Ramification exponent $e$: | $13$ |
| Residue field degree $f$: | $1$ |
| Discriminant exponent $c$: | $12$ |
| Discriminant root field: | $\Q_{17}$ |
| Root number: | $1$ |
| $\card{ \Aut(K/\Q_{ 17 }) }$: | $1$ |
| This field is not Galois over $\Q_{17}.$ | |
| Visible slopes: | None |
Intermediate fields
| The extension is primitive: there are no intermediate fields between this field and $\Q_{ 17 }$. |
Unramified/totally ramified tower
| Unramified subfield: | $\Q_{17}$ |
| Relative Eisenstein polynomial: |
\( x^{13} + 17 \)
|
Ramification polygon
| Residual polynomials: | $z^{12} + 13z^{11} + 10z^{10} + 14z^{9} + z^{8} + 12z^{7} + 16z^{6} + 16z^{5} + 12z^{4} + z^{3} + 14z^{2} + 10z + 13$ |
| Associated inertia: | $6$ |
| Indices of inseparability: | $[0]$ |
Invariants of the Galois closure
| Galois group: | $C_{13}:C_6$ (as 13T5) |
| Inertia group: | $C_{13}$ (as 13T1) |
| Wild inertia group: | $C_1$ |
| Unramified degree: | $6$ |
| Tame degree: | $13$ |
| Wild slopes: | None |
| Galois mean slope: | $12/13$ |
| Galois splitting model: | Not computed |