Properties

Label 13.12.6.1
Base \(\Q_{13}\)
Degree \(12\)
e \(2\)
f \(6\)
c \(6\)
Galois group $C_6\times C_2$ (as 12T2)

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Defining polynomial

\(x^{12} + 780 x^{11} + 253578 x^{10} + 43990720 x^{9} + 4297346257 x^{8} + 224493831662 x^{7} + 4938918346310 x^{6} + 2961720498866 x^{5} + 3005850529646 x^{4} + 51307643736852 x^{3} + 70292613843513 x^{2} + 65587287977710 x + 15475747398037\) Copy content Toggle raw display

Invariants

Base field: $\Q_{13}$
Degree $d$: $12$
Ramification exponent $e$: $2$
Residue field degree $f$: $6$
Discriminant exponent $c$: $6$
Discriminant root field: $\Q_{13}$
Root number: $-1$
$\card{ \Gal(K/\Q_{ 13 }) }$: $12$
This field is Galois and abelian over $\Q_{13}.$
Visible slopes:None

Intermediate fields

$\Q_{13}(\sqrt{2})$, $\Q_{13}(\sqrt{13})$, $\Q_{13}(\sqrt{13\cdot 2})$, 13.3.0.1, 13.4.2.1, 13.6.0.1, 13.6.3.1, 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:13.6.0.1 $\cong \Q_{13}(t)$ where $t$ is a root of \( x^{6} + 10 x^{3} + 11 x^{2} + 11 x + 2 \) Copy content Toggle raw display
Relative Eisenstein polynomial: \( x^{2} + 130 x + 13 \) $\ \in\Q_{13}(t)[x]$ Copy content Toggle raw display

Ramification polygon

Residual polynomials:$z + 2$
Associated inertia:$1$
Indices of inseparability:$[0]$

Invariants of the Galois closure

Galois group:$C_2\times C_6$ (as 12T2)
Inertia group:Intransitive group isomorphic to $C_2$
Wild inertia group:$C_1$
Unramified degree:$6$
Tame degree:$2$
Wild slopes:None
Galois mean slope:$1/2$
Galois splitting model:$x^{12} - 39 x^{10} - 4 x^{9} + 471 x^{8} + 36 x^{7} - 2247 x^{6} - 240 x^{5} + 4269 x^{4} + 812 x^{3} - 3111 x^{2} - 738 x + 521$