Properties

Label 13.12.11.6
Base \(\Q_{13}\)
Degree \(12\)
e \(12\)
f \(1\)
c \(11\)
Galois group $C_{12}$ (as 12T1)

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Defining polynomial

\(x^{12} + 39\) Copy content Toggle raw display

Invariants

Base field: $\Q_{13}$
Degree $d$: $12$
Ramification exponent $e$: $12$
Residue field degree $f$: $1$
Discriminant exponent $c$: $11$
Discriminant root field: $\Q_{13}(\sqrt{13})$
Root number: $-1$
$\card{ \Gal(K/\Q_{ 13 }) }$: $12$
This field is Galois and abelian over $\Q_{13}.$
Visible slopes:None

Intermediate fields

$\Q_{13}(\sqrt{13})$, 13.3.2.1, 13.4.3.2, 13.6.5.3

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

Unramified/totally ramified tower

Unramified subfield:$\Q_{13}$
Relative Eisenstein polynomial: \( x^{12} + 39 \) Copy content Toggle raw display

Ramification polygon

Residual polynomials:$z^{11} + 12z^{10} + z^{9} + 12z^{8} + z^{7} + 12z^{6} + z^{5} + 12z^{4} + z^{3} + 12z^{2} + z + 12$
Associated inertia:$1$
Indices of inseparability:$[0]$

Invariants of the Galois closure

Galois group:$C_{12}$ (as 12T1)
Inertia group:$C_{12}$ (as 12T1)
Wild inertia group:$C_1$
Unramified degree:$1$
Tame degree:$12$
Wild slopes:None
Galois mean slope:$11/12$
Galois splitting model:$x^{12} - 26 x^{9} - 78 x^{7} + 143 x^{6} + 2925 x^{5} + 390 x^{4} - 10270 x^{3} - 6669 x^{2} + 9945 x + 16263$