Defining polynomial
\(x^{9} - 25 x^{3} + 250\) ![]() |
Invariants
Base field: | $\Q_{5}$ |
Degree $d$: | $9$ |
Ramification exponent $e$: | $3$ |
Residue field degree $f$: | $3$ |
Discriminant exponent $c$: | $6$ |
Discriminant root field: | $\Q_{5}(\sqrt{2})$ |
Root number: | $1$ |
$|\Aut(K/\Q_{ 5 })|$: | $3$ |
This field is not Galois over $\Q_{5}.$ |
Intermediate fields
5.3.2.1, 5.3.0.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
Unramified subfield: | 5.3.0.1 $\cong \Q_{5}(t)$ where $t$ is a root of \( x^{3} - x + 2 \) ![]() |
Relative Eisenstein polynomial: | \( x^{3} - 5 t \)$\ \in\Q_{5}(t)[x]$ ![]() |
Invariants of the Galois closure
Galois group: | $C_3\times S_3$ (as 9T4) |
Inertia group: | Intransitive group isomorphic to $C_3$ |
Unramified degree: | $6$ |
Tame degree: | $3$ |
Wild slopes: | None |
Galois mean slope: | $2/3$ |
Galois splitting model: | $x^{9} - 4 x^{8} + 3 x^{7} + 6 x^{6} - 18 x^{5} + 26 x^{4} - 8 x^{3} - 15 x^{2} + 14 x - 13$ |