Properties

Label 13.12.9.3
Base \(\Q_{13}\)
Degree \(12\)
e \(4\)
f \(3\)
c \(9\)
Galois group $C_{12}$ (as 12T1)

Related objects

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Defining polynomial

\( x^{12} - 338 x^{4} + 13182 \)

Invariants

Base field: $\Q_{13}$
Degree $d$ : $12$
Ramification exponent $e$ : $4$
Residue field degree $f$ : $3$
Discriminant exponent $c$ : $9$
Discriminant root field: $\Q_{13}(\sqrt{13*})$
Root number: $1$
$|\Gal(K/\Q_{ 13 })|$: $12$
This field is Galois and abelian over $\Q_{13}$.

Intermediate fields

$\Q_{13}(\sqrt{13*})$, 13.3.0.1, 13.4.3.4, 13.6.3.2

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

Unramified/totally ramified tower

Unramified subfield:13.3.0.1 $\cong \Q_{13}(t)$ where $t$ is a root of \( x^{3} - 2 x + 6 \)
Relative Eisenstein polynomial:$ x^{4} - 13 t \in\Q_{13}(t)[x]$

Invariants of the Galois closure

Galois group:$C_{12}$ (as 12T1)
Inertia group:Intransitive group isomorphic to $C_4$
Unramified degree:$3$
Tame degree:$4$
Wild slopes:None
Galois mean slope:$3/4$
Galois splitting model:$x^{12} - 3 x^{11} - 81 x^{10} + 376 x^{9} + 1563 x^{8} - 12099 x^{7} + 10215 x^{6} + 84219 x^{5} - 262629 x^{4} + 297557 x^{3} - 116379 x^{2} - 17880 x + 15661$