Properties

Label 5.12.8.2
Base \(\Q_{5}\)
Degree \(12\)
e \(3\)
f \(4\)
c \(8\)
Galois group $C_3\times (C_3 : C_4)$ (as 12T19)

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Defining polynomial

\(x^{12} + 100 x^{6} - 500 x^{3} + 1250\) Copy content Toggle raw display

Invariants

Base field: $\Q_{5}$
Degree $d$: $12$
Ramification exponent $e$: $3$
Residue field degree $f$: $4$
Discriminant exponent $c$: $8$
Discriminant root field: $\Q_{5}(\sqrt{2})$
Root number: $1$
$\card{ \Aut(K/\Q_{ 5 }) }$: $6$
This field is not Galois over $\Q_{5}.$
Visible slopes:None

Intermediate fields

$\Q_{5}(\sqrt{2})$, 5.4.0.1, 5.6.4.2

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

Unramified/totally ramified tower

Unramified subfield:5.4.0.1 $\cong \Q_{5}(t)$ where $t$ is a root of \( x^{4} + 4 x^{2} + 4 x + 2 \) Copy content Toggle raw display
Relative Eisenstein polynomial: \( x^{3} + 5 t \) $\ \in\Q_{5}(t)[x]$ Copy content Toggle raw display

Ramification polygon

Residual polynomials:$z^{2} + 3z + 3$
Associated inertia:$1$
Indices of inseparability:$[0]$

Invariants of the Galois closure

Galois group:$C_3:C_{12}$ (as 12T19)
Inertia group:Intransitive group isomorphic to $C_3$
Wild inertia group:$C_1$
Unramified degree:$12$
Tame degree:$3$
Wild slopes:None
Galois mean slope:$2/3$
Galois splitting model: $x^{12} - 456 x^{10} - 1260 x^{9} + 74196 x^{8} + 406980 x^{7} - 4632334 x^{6} - 40941180 x^{5} + 35890293 x^{4} + 1261978200 x^{3} + 3880645326 x^{2} + 1156875300 x - 6917034473$ Copy content Toggle raw display