Properties

Label 2.12.35.269
Base \(\Q_{2}\)
Degree \(12\)
e \(12\)
f \(1\)
c \(35\)
Galois group $D_{12}$ (as 12T12)

Related objects

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Defining polynomial

\( x^{12} + 4 x^{10} - 6 x^{8} + 4 x^{6} + 6 \)

Invariants

Base field: $\Q_{2}$
Degree $d$ : $12$
Ramification exponent $e$ : $12$
Residue field degree $f$ : $1$
Discriminant exponent $c$ : $35$
Discriminant root field: $\Q_{2}(\sqrt{-2*})$
Root number: $-i$
$|\Aut(K/\Q_{ 2 })|$: $2$
This field is not Galois over $\Q_{2}$.

Intermediate fields

$\Q_{2}(\sqrt{-2})$, 2.3.2.1, 2.4.11.17, 2.6.11.9

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

Unramified/totally ramified tower

Unramified subfield:$\Q_{2}$
Relative Eisenstein polynomial:\( x^{12} + 4 x^{10} - 6 x^{8} + 4 x^{6} + 6 \)

Invariants of the Galois closure

Galois group:$D_{12}$ (as 12T12)
Inertia group:$C_{12}$
Unramified degree:$2$
Tame degree:$3$
Wild slopes:[3, 4]
Galois mean slope:$35/12$
Galois splitting model:$x^{12} - 4 x^{10} + 22 x^{8} - 68 x^{6} + 100 x^{4} - 72 x^{2} + 22$