Properties

Label 2.3.6.18a
Base 2.1.1.0a1.1
Degree \(18\)
e \(6\)
f \(3\)
c \(18\)

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Defining polynomial over unramified subextension

$x^{6} + 2 c_{2} x^{2} + 2 a_{1} x + 2$

Invariants

Residue field characteristic: $2$
Degree: $18$
Base field: $\Q_{2}$
Ramification index $e$: $6$
Residue field degree $f$: $3$
Discriminant exponent $c$: $18$
Artin slopes: $[\frac{4}{3}]$
Swan slopes: $[\frac{1}{3}]$
Means: $\langle\frac{1}{6}\rangle$
Rams: $(1)$
Field count: $6$ (complete)
Ambiguity: $6$
Mass: $7$
Absolute Mass: $7/3$

Diagrams

Varying

Indices of inseparability: $[1,0]$
Associated inertia: $[2,1]$
Jump Set: $[3,7]$

Galois groups and Hidden Artin slopes

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Fields


Showing all 6

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Label Packet size Polynomial Galois group Galois degree $\#\Aut(K/\Q_p)$ Artin slope content Swan slope content Hidden Artin slopes Hidden Swan slopes Ind. of Insep. Assoc. Inertia Resid. Poly Jump Set
2.3.6.18a1.1 $( x^{3} + x + 1 )^{6} + 2 ( x^{3} + x + 1 ) + 2$ $C_3\times S_4$ (as 18T30) $72$ $6$ $[\frac{4}{3}, \frac{4}{3}]_{3}^{6}$ $[\frac{1}{3},\frac{1}{3}]_{3}^{6}$ $[\frac{4}{3}]^{2}$ $[\frac{1}{3}]^{2}$ $[1, 0]$ $[2, 1]$ $z^4 + z^2 + 1,z + (t^2 + 1)$ $[3, 7]$
2.3.6.18a1.2 $( x^{3} + x + 1 )^{6} + 2 ( x^{3} + x + 1 )^{2} + 2 ( x^{3} + x + 1 ) + 2$ $C_3\times S_4$ (as 18T33) $72$ $6$ $[\frac{4}{3}, \frac{4}{3}]_{3}^{6}$ $[\frac{1}{3},\frac{1}{3}]_{3}^{6}$ $[\frac{4}{3}]^{2}$ $[\frac{1}{3}]^{2}$ $[1, 0]$ $[2, 1]$ $z^4 + z^2 + 1,z + (t^2 + 1)$ $[3, 7]$
2.3.6.18a2.1 $( x^{3} + x + 1 )^{6} + 2 x ( x^{3} + x + 1 ) + 2$ $C_2^4:(C_3\times S_4)$ (as 18T269) $1152$ $2$ $[\frac{4}{3}, \frac{4}{3}, \frac{4}{3}, \frac{4}{3}, \frac{4}{3}, \frac{4}{3}]_{3}^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3}]_{3}^{6}$ $[\frac{4}{3},\frac{4}{3},\frac{4}{3},\frac{4}{3},\frac{4}{3}]^{2}$ $[\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3}]^{2}$ $[1, 0]$ $[2, 1]$ $z^4 + z^2 + 1,z + 1$ $[3, 7]$
2.3.6.18a2.2 $( x^{3} + x + 1 )^{6} + 2 ( x^{3} + x + 1 )^{2} + 2 x ( x^{3} + x + 1 ) + 2$ $C_2^4:(C_3\times S_4)$ (as 18T270) $1152$ $2$ $[\frac{4}{3}, \frac{4}{3}, \frac{4}{3}, \frac{4}{3}, \frac{4}{3}, \frac{4}{3}]_{3}^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3}]_{3}^{6}$ $[\frac{4}{3},\frac{4}{3},\frac{4}{3},\frac{4}{3},\frac{4}{3}]^{2}$ $[\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3}]^{2}$ $[1, 0]$ $[2, 1]$ $z^4 + z^2 + 1,z + 1$ $[3, 7]$
2.3.6.18a3.1 $( x^{3} + x + 1 )^{6} + \left(2 x + 2\right) ( x^{3} + x + 1 ) + 2$ $A_4\wr C_2$ (as 18T112) $288$ $2$ $[\frac{4}{3}, \frac{4}{3}, \frac{4}{3}, \frac{4}{3}]_{3}^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3}]_{3}^{6}$ $[\frac{4}{3},\frac{4}{3},\frac{4}{3}]^{2}$ $[\frac{1}{3},\frac{1}{3},\frac{1}{3}]^{2}$ $[1, 0]$ $[2, 1]$ $z^4 + z^2 + 1,z + t^2$ $[3, 7]$
2.3.6.18a3.2 $( x^{3} + x + 1 )^{6} + 2 x^{2} ( x^{3} + x + 1 )^{2} + \left(2 x + 2\right) ( x^{3} + x + 1 ) + 2$ $A_4\wr C_2$ (as 18T113) $288$ $2$ $[\frac{4}{3}, \frac{4}{3}, \frac{4}{3}, \frac{4}{3}]_{3}^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{1}{3},\frac{1}{3}]_{3}^{6}$ $[\frac{4}{3},\frac{4}{3},\frac{4}{3}]^{2}$ $[\frac{1}{3},\frac{1}{3},\frac{1}{3}]^{2}$ $[1, 0]$ $[2, 1]$ $z^4 + z^2 + 1,z + t^2$ $[3, 7]$
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