Defining polynomial
|
\(x^{10} + 298\)
|
Invariants
| Base field: | $\Q_{149}$ |
|
| Degree $d$: | $10$ |
|
| Ramification index $e$: | $10$ |
|
| Residue field degree $f$: | $1$ |
|
| Discriminant exponent $c$: | $9$ |
|
| Discriminant root field: | $\Q_{149}(\sqrt{149\cdot 2})$ | |
| Root number: | $-1$ | |
| $\Aut(K/\Q_{149})$: | $C_2$ | |
| This field is not Galois over $\Q_{149}.$ | ||
| Visible Artin slopes: | $[\ ]$ | |
| Visible Swan slopes: | $[\ ]$ | |
| Means: | $\langle\ \rangle$ | |
| Rams: | $(\ )$ | |
| Jump set: | undefined | |
| Roots of unity: | $148 = (149 - 1)$ |
|
Intermediate fields
| $\Q_{149}(\sqrt{149\cdot 2})$, 149.1.5.4a1.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Canonical tower
| Unramified subfield: | $\Q_{149}$ |
|
| Relative Eisenstein polynomial: |
\( x^{10} + 298 \)
|
Ramification polygon
| Residual polynomials: | $z^9 + 10 z^8 + 45 z^7 + 120 z^6 + 61 z^5 + 103 z^4 + 61 z^3 + 120 z^2 + 45 z + 10$ |
| Associated inertia: | $2$ |
| Indices of inseparability: | $[0]$ |
Invariants of the Galois closure
| Galois degree: | $20$ |
| Galois group: | $D_{10}$ (as 10T3) |
| Inertia group: | $C_{10}$ (as 10T1) |
| Wild inertia group: | $C_1$ |
| Galois unramified degree: | $2$ |
| Galois tame degree: | $10$ |
| Galois Artin slopes: | $[\ ]$ |
| Galois Swan slopes: | $[\ ]$ |
| Galois mean slope: | $0.9$ |
| Galois splitting model: | not computed |