Properties

Label 2.3.0.1
Base \(\Q_{2}\)
Degree \(3\)
e \(1\)
f \(3\)
c \(0\)
Galois group $C_3$

Related objects

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Defining polynomial

\( x^{3} - x + 1 \)

Invariants

Base field: $\Q_{2}$
Degree $d$ : $3$
Ramification exponent $e$ : $1$
Residue field degree $f$ : $3$
Discriminant exponent $c$ : $0$
Discriminant root field: $\Q_{2}$
Root number: $1$
$|\Gal(K/\Q_{ 2 })|$: $3$
This field is Galois and abelian over $\Q_{2}$.

Intermediate fields

The extension is primitive: there are no intermediate fields between this field and $\Q_{ 2 }$.

Unramified/totally ramified tower

Unramified subfield:2.3.0.1 $\cong \Q_{2}(t)$ where $t$ is a root of \( x^{3} - x + 1 \)
Relative Eisenstein polynomial:$ x - 2 \in\Q_{2}(t)[x]$

Invariants of the Galois closure

Galois group:$C_3$
Inertia group:Trivial
Unramified degree:$3$
Tame degree:$1$
Wild slopes:None
Galois mean slope:$0$
Global splitting model:\( x^{3} - x^{2} - 2 x + 1 \)