Properties

Label 3.3.6.21a13.1
Base \(\Q_{3}\)
Degree \(18\)
e \(6\)
f \(3\)
c \(21\)
Galois group not computed

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Defining polynomial

$( x^{3} + 2 x + 1 )^{6} + \left(3 x^{2} + 3 x + 3\right) ( x^{3} + 2 x + 1 )^{2} + 3 ( x^{3} + 2 x + 1 ) + 3 x$ Copy content Toggle raw display

Invariants

Base field: $\Q_{3}$
Degree $d$: $18$
Ramification index $e$: $6$
Residue field degree $f$: $3$
Discriminant exponent $c$: $21$
Discriminant root field: $\Q_{3}(\sqrt{3})$
Root number: $i$
$\Aut(K/\Q_{3})$: $C_2$
Visible Artin slopes:$[\frac{3}{2}]$
Visible Swan slopes:$[\frac{1}{2}]$
Means:$\langle\frac{1}{3}\rangle$
Rams:$(1)$
Jump set:undefined
Roots of unity:$26 = (3^{ 3 } - 1)$

Intermediate fields

$\Q_{3}(\sqrt{3})$, 3.3.1.0a1.1, 3.3.2.3a1.1, 3.3.3.9a3.1

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

Canonical tower

Unramified subfield:3.3.1.0a1.1 $\cong \Q_{3}(t)$ where $t$ is a root of \( x^{3} + 2 x + 1 \) Copy content Toggle raw display
Relative Eisenstein polynomial: \( x^{6} + \left(3 t^{2} + 3 t + 3\right) x^{2} + 3 t \) $\ \in\Q_{3}(t)[x]$ Copy content Toggle raw display

Ramification polygon

Residual polynomials:$z^3 + 2$,$2 z^2 + (2 t^2 + t + 2)$
Associated inertia:$1$,$2$
Indices of inseparability:$[2, 0]$

Invariants of the Galois closure

Galois degree: not computed
Galois group: not computed
Inertia group: not computed
Wild inertia group: not computed
Galois unramified degree: not computed
Galois tame degree: not computed
Galois Artin slopes: not computed
Galois Swan slopes: not computed
Galois mean slope: not computed
Galois splitting model:not computed