Properties

Label 13.12.10.1
Base \(\Q_{13}\)
Degree \(12\)
e \(6\)
f \(2\)
c \(10\)
Galois group $C_6\times C_2$ (as 12T2)

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Defining polynomial

\(x^{12} + 72 x^{11} + 2172 x^{10} + 35280 x^{9} + 328380 x^{8} + 1703232 x^{7} + 4282170 x^{6} + 3407400 x^{5} + 1340820 x^{4} + 712800 x^{3} + 3855192 x^{2} + 18082080 x + 35650393\) Copy content Toggle raw display

Invariants

Base field: $\Q_{13}$
Degree $d$: $12$
Ramification exponent $e$: $6$
Residue field degree $f$: $2$
Discriminant exponent $c$: $10$
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

$\Q_{13}(\sqrt{2})$, $\Q_{13}(\sqrt{13})$, $\Q_{13}(\sqrt{13\cdot 2})$, 13.3.2.2, 13.4.2.1, 13.6.4.3, 13.6.5.2, 13.6.5.5

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

Unramified/totally ramified tower

Unramified subfield:$\Q_{13}(\sqrt{2})$ $\cong \Q_{13}(t)$ where $t$ is a root of \( x^{2} + 12 x + 2 \) Copy content Toggle raw display
Relative Eisenstein polynomial: \( x^{6} + 13 \) $\ \in\Q_{13}(t)[x]$ Copy content Toggle raw display

Ramification polygon

Residual polynomials:$z^{5} + 6z^{4} + 2z^{3} + 7z^{2} + 2z + 6$
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 $C_6$
Wild inertia group:$C_1$
Unramified degree:$2$
Tame degree:$6$
Wild slopes:None
Galois mean slope:$5/6$
Galois splitting model:$x^{12} - x^{11} - 16 x^{10} + 11 x^{9} + 79 x^{8} - 29 x^{7} - 145 x^{6} + 25 x^{5} + 107 x^{4} - 2 x^{3} - 27 x^{2} - 3 x + 1$