Properties

Label 3.12.15.7
Base \(\Q_{3}\)
Degree \(12\)
e \(12\)
f \(1\)
c \(15\)
Galois group $(C_6\times C_2):C_2$ (as 12T13)

Related objects

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Defining polynomial

\( x^{12} + 3 x^{10} - 3 x^{9} - 3 x^{7} + 3 x^{6} + 3 x^{5} + 3 x^{4} + 3 x^{3} - 3 \)

Invariants

Base field: $\Q_{3}$
Degree $d$ : $12$
Ramification exponent $e$ : $12$
Residue field degree $f$ : $1$
Discriminant exponent $c$ : $15$
Discriminant root field: $\Q_{3}(\sqrt{3*})$
Root number: $i$
$|\Aut(K/\Q_{ 3 })|$: $2$
This field is not Galois over $\Q_{3}$.

Intermediate fields

$\Q_{3}(\sqrt{3})$, 3.3.3.2, 3.4.3.2, 3.6.7.2

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

Unramified/totally ramified tower

Unramified subfield:$\Q_{3}$
Relative Eisenstein polynomial:\( x^{12} + 3 x^{10} - 3 x^{9} - 3 x^{7} + 3 x^{6} + 3 x^{5} + 3 x^{4} + 3 x^{3} - 3 \)

Invariants of the Galois closure

Galois group:$C_3:D_4$ (as 12T13)
Inertia group:$C_3 : C_4$
Unramified degree:$2$
Tame degree:$4$
Wild slopes:[3/2]
Galois mean slope:$5/4$
Galois splitting model:$x^{12} - 6 x^{10} - 2 x^{9} + 12 x^{8} + 12 x^{7} - 12 x^{5} - 18 x^{4} + 4 x^{3} + 12 x^{2} - 2$