Properties

Label 2.1.18.22a
Base 2.1.1.0a1.1
Degree \(18\)
e \(18\)
f \(1\)
c \(22\)

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Defining polynomial

$x^{18} + 2 c_{10} x^{10} + 2 b_{9} x^{9} + 2 b_{7} x^{7} + 2 a_{5} x^{5} + 2$

Invariants

Residue field characteristic: $2$
Degree: $18$
Base field: $\Q_{2}$
Ramification index $e$: $18$
Residue field degree $f$: $1$
Discriminant exponent $c$: $22$
Artin slopes: $[\frac{14}{9}]$
Swan slopes: $[\frac{5}{9}]$
Means: $\langle\frac{5}{18}\rangle$
Rams: $(5)$
Field count: $8$ (complete)
Ambiguity: $2$
Mass: $4$
Absolute Mass: $4$

Diagrams

Varying

Indices of inseparability: $[5,0]$
Associated inertia: $[6,1]$
Jump Set: $[9,23]$

Galois groups and Hidden Artin slopes

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Fields


Showing all 8

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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
2.1.18.22a1.1 $x^{18} + 2 x^{5} + 2$ $C_2^6:C_9:C_6$ (as 18T433) $3456$ $2$ $[\frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}]_{9}^{6}$ $[\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]_{9}^{6}$ $[\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9}]^{6}$ $[\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]^{6}$ $[5, 0]$ $[6, 1]$ $z^{16} + z^{14} + 1,z + 1$ $[9, 23]$
2.1.18.22a1.2 $x^{18} + 2 x^{10} + 2 x^{5} + 2$ $C_2^6:C_9:C_6$ (as 18T434) $3456$ $2$ $[\frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}]_{9}^{6}$ $[\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]_{9}^{6}$ $[\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9}]^{6}$ $[\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]^{6}$ $[5, 0]$ $[6, 1]$ $z^{16} + z^{14} + 1,z + 1$ $[9, 23]$
2.1.18.22a1.3 $x^{18} + 2 x^{9} + 2 x^{5} + 2$ $C_2^6:C_9:C_6$ (as 18T433) $3456$ $2$ $[\frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}]_{9}^{6}$ $[\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]_{9}^{6}$ $[\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9}]^{6}$ $[\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]^{6}$ $[5, 0]$ $[6, 1]$ $z^{16} + z^{14} + 1,z + 1$ $[9, 23]$
2.1.18.22a1.4 $x^{18} + 2 x^{10} + 2 x^{9} + 2 x^{5} + 2$ $C_2^6:C_9:C_6$ (as 18T434) $3456$ $2$ $[\frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}]_{9}^{6}$ $[\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]_{9}^{6}$ $[\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9}]^{6}$ $[\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]^{6}$ $[5, 0]$ $[6, 1]$ $z^{16} + z^{14} + 1,z + 1$ $[9, 23]$
2.1.18.22a1.5 $x^{18} + 2 x^{7} + 2 x^{5} + 2$ $C_2^2:A_4^2.S_4$ (as 18T588) $13824$ $2$ $[\frac{4}{3}, \frac{4}{3}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}]_{9}^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]_{9}^{6}$ $[\frac{4}{3},\frac{4}{3},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9}]^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]^{6}$ $[5, 0]$ $[6, 1]$ $z^{16} + z^{14} + 1,z + 1$ $[9, 23]$
2.1.18.22a1.6 $x^{18} + 2 x^{10} + 2 x^{7} + 2 x^{5} + 2$ $C_2^2:A_4^2.S_4$ (as 18T592) $13824$ $2$ $[\frac{4}{3}, \frac{4}{3}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}]_{9}^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]_{9}^{6}$ $[\frac{4}{3},\frac{4}{3},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9}]^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]^{6}$ $[5, 0]$ $[6, 1]$ $z^{16} + z^{14} + 1,z + 1$ $[9, 23]$
2.1.18.22a1.7 $x^{18} + 2 x^{9} + 2 x^{7} + 2 x^{5} + 2$ $C_2^2:A_4^2.S_4$ (as 18T588) $13824$ $2$ $[\frac{4}{3}, \frac{4}{3}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}]_{9}^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]_{9}^{6}$ $[\frac{4}{3},\frac{4}{3},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9}]^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]^{6}$ $[5, 0]$ $[6, 1]$ $z^{16} + z^{14} + 1,z + 1$ $[9, 23]$
2.1.18.22a1.8 $x^{18} + 2 x^{10} + 2 x^{9} + 2 x^{7} + 2 x^{5} + 2$ $C_2^2:A_4^2.S_4$ (as 18T592) $13824$ $2$ $[\frac{4}{3}, \frac{4}{3}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}, \frac{14}{9}]_{9}^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]_{9}^{6}$ $[\frac{4}{3},\frac{4}{3},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9},\frac{14}{9}]^{6}$ $[\frac{1}{3},\frac{1}{3},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9},\frac{5}{9}]^{6}$ $[5, 0]$ $[6, 1]$ $z^{16} + z^{14} + 1,z + 1$ $[9, 23]$
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