Properties

Label 3.12.18.82
Base \(\Q_{3}\)
Degree \(12\)
e \(6\)
f \(2\)
c \(18\)
Galois group $C_6\times C_2$ (as 12T2)

Related objects

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Defining polynomial

\( x^{12} - 9 x^{9} + 9 x^{8} - 9 x^{5} - 9 x^{4} - 9 x^{3} + 9 \)

Invariants

Base field: $\Q_{3}$
Degree $d$ : $12$
Ramification exponent $e$ : $6$
Residue field degree $f$ : $2$
Discriminant exponent $c$ : $18$
Discriminant root field: $\Q_{3}$
Root number: $1$
$|\Gal(K/\Q_{ 3 })|$: $12$
This field is Galois and abelian over $\Q_{3}$.

Intermediate fields

$\Q_{3}(\sqrt{*})$, $\Q_{3}(\sqrt{3})$, $\Q_{3}(\sqrt{3*})$, 3.3.4.2, 3.4.2.1, 3.6.8.3, 3.6.9.3, 3.6.9.10

Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.

Unramified/totally ramified tower

Unramified subfield:$\Q_{3}(\sqrt{*})$ $\cong \Q_{3}(t)$ where $t$ is a root of \( x^{2} - x + 2 \)
Relative Eisenstein polynomial:$ x^{6} + \left(-6 t + 3\right) x^{5} + \left(-6 t + 12\right) x^{4} + \left(-6 t + 3\right) x^{3} - 9 x^{2} - 9 x + 12 t + 3 \in\Q_{3}(t)[x]$

Invariants of the Galois closure

Galois group:$C_2\times C_6$ (as 12T2)
Inertia group:Intransitive group isomorphic to $C_6$
Unramified degree:$2$
Tame degree:$2$
Wild slopes:[2]
Galois mean slope:$3/2$
Galois splitting model:$x^{12} - x^{6} + 1$