Defining polynomial
|
\(x^{13} + 5\)
|
Invariants
| Base field: | $\Q_{5}$ |
| Degree $d$: | $13$ |
| Ramification index $e$: | $13$ |
| Residue field degree $f$: | $1$ |
| Discriminant exponent $c$: | $12$ |
| Discriminant root field: | $\Q_{5}(\sqrt{2})$ |
| Root number: | $1$ |
| $\Aut(K/\Q_{5})$: | $C_1$ |
| This field is not Galois over $\Q_{5}.$ | |
| Visible Artin slopes: | $[\ ]$ |
| Visible Swan slopes: | $[\ ]$ |
| Means: | $\langle\ \rangle$ |
| Rams: | $(\ )$ |
| Jump set: | undefined |
| Roots of unity: | $4 = (5 - 1)$ |
Intermediate fields
| The extension is primitive: there are no intermediate fields between this field and $\Q_{ 5 }$. |
Canonical tower
| Unramified subfield: | $\Q_{5}$ |
| Relative Eisenstein polynomial: |
\( x^{13} + 5 \)
|
Ramification polygon
| Residual polynomials: | $z^{12} + 3 z^{11} + 3 z^{10} + z^9 + 2 z^7 + z^6 + z^5 + 2 z^4 + z^2 + 3 z + 3$ |
| Associated inertia: | $4$ |
| Indices of inseparability: | $[0]$ |
Invariants of the Galois closure
| Galois degree: | $52$ |
| Galois group: | $C_{13}:C_4$ (as 13T4) |
| Inertia group: | $C_{13}$ (as 13T1) |
| Wild inertia group: | $C_1$ |
| Galois unramified degree: | $4$ |
| Galois tame degree: | $13$ |
| Galois Artin slopes: | $[\ ]$ |
| Galois Swan slopes: | $[\ ]$ |
| Galois mean slope: | $0.9230769230769231$ |
| Galois splitting model: | not computed |