Defining polynomial
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\(x^{12} + 3 x^{11} + 6 x^{10} + 3\)
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Invariants
| Base field: | $\Q_{3}$ |
| Degree $d$: | $12$ |
| Ramification index $e$: | $12$ |
| Residue field degree $f$: | $1$ |
| Discriminant exponent $c$: | $21$ |
| Discriminant root field: | $\Q_{3}(\sqrt{3})$ |
| Root number: | $-i$ |
| $\Aut(K/\Q_{3})$: | $C_1$ |
| This field is not Galois over $\Q_{3}.$ | |
| Visible Artin slopes: | $[\frac{9}{4}]$ |
| Visible Swan slopes: | $[\frac{5}{4}]$ |
| Means: | $\langle\frac{5}{6}\rangle$ |
| Rams: | $(5)$ |
| Jump set: | $[2, 14]$ |
| Roots of unity: | $6 = (3 - 1) \cdot 3$ |
Intermediate fields
| $\Q_{3}(\sqrt{3\cdot 2})$, 3.1.4.3a1.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Canonical tower
| Unramified subfield: | $\Q_{3}$ |
| Relative Eisenstein polynomial: |
\( x^{12} + 3 x^{11} + 6 x^{10} + 3 \)
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Ramification polygon
| Residual polynomials: | $z^9 + z^6 + 1$,$z^2 + 1$ |
| Associated inertia: | $2$,$2$ |
| Indices of inseparability: | $[10, 0]$ |
Invariants of the Galois closure
| Galois degree: | $648$ |
| Galois group: | $C_3^3:D_{12}$ (as 12T169) |
| Inertia group: | $C_3\wr C_4$ (as 12T131) |
| Wild inertia group: | $C_3^4$ |
| Galois unramified degree: | $2$ |
| Galois tame degree: | $4$ |
| Galois Artin slopes: | $[\frac{3}{2}, 2, \frac{9}{4}, \frac{9}{4}]$ |
| Galois Swan slopes: | $[\frac{1}{2},1,\frac{5}{4},\frac{5}{4}]$ |
| Galois mean slope: | $2.1944444444444446$ |
| Galois splitting model: |
$x^{12} + 12 x^{10} - 2 x^{9} + 54 x^{8} - 18 x^{7} + 42 x^{6} - 54 x^{5} - 315 x^{4} + 268 x^{3} - 594 x^{2} + 966 x - 539$
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