Properties

Label 3.15.15.1
Base \(\Q_{3}\)
Degree \(15\)
e \(3\)
f \(5\)
c \(15\)
Galois group 15T44

Related objects

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Defining polynomial

\( x^{15} + 9 x^{14} + 3 x^{13} + 21 x^{12} + 9 x^{11} + 6 x^{10} + 16 x^{9} + 9 x^{8} + 3 x^{7} + 12 x^{5} + 3 x^{4} + 16 x^{3} + 3 x^{2} + 9 x + 10 \)

Invariants

Base field: $\Q_{3}$
Degree $d$ : $15$
Ramification exponent $e$ : $3$
Residue field degree $f$ : $5$
Discriminant exponent $c$ : $15$
Discriminant root field: $\Q_{3}(\sqrt{3})$
Root number: $-i$
$|\Aut(K/\Q_{ 3 })|$: $1$
This field is not Galois over $\Q_{3}$.

Intermediate fields

3.5.0.1

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

Unramified/totally ramified tower

Unramified subfield:3.5.0.1 $\cong \Q_{3}(t)$ where $t$ is a root of \( x^{5} - x + 1 \)
Relative Eisenstein polynomial:$ x^{3} + \left(6 t^{4} + 3 t^{3} + 6 t^{2}\right) x^{2} + \left(3 t^{4} + 3 t^{3} + 3\right) x + 6 t^{4} + 6 t^{3} + 6 t^{2} + 3 t + 6 \in\Q_{3}(t)[x]$

Invariants of the Galois closure

Galois group:15T44
Inertia group:Intransitive group isomorphic to $C_3^2:(C_3^3:C_2)$
Unramified degree:$5$
Tame degree:$2$
Wild slopes:[3/2, 3/2, 3/2, 3/2, 3/2]
Galois mean slope:$727/486$
Galois splitting model:$x^{15} + 534 x^{13} - 11036 x^{12} - 356445 x^{11} - 3303057 x^{10} + 4340708 x^{9} + 1522733040 x^{8} + 25801865400 x^{7} - 10442000828 x^{6} - 3289261984425 x^{5} - 11731418737698 x^{4} + 218971550450338 x^{3} + 584232219851625 x^{2} - 9566281188519309 x + 21061402607852749$