Properties

Label 19.2.1.1
Base \(\Q_{19}\)
Degree \(2\)
e \(2\)
f \(1\)
c \(1\)
Galois group $C_2$ (as 2T1)

Related objects

Downloads

Learn more

Defining polynomial

\(x^{2} + 38\) Copy content Toggle raw display

Invariants

Base field: $\Q_{19}$
Degree $d$: $2$
Ramification exponent $e$: $2$
Residue field degree $f$: $1$
Discriminant exponent $c$: $1$
Discriminant root field: $\Q_{19}(\sqrt{19})$
Root number: $-i$
$\card{ \Gal(K/\Q_{ 19 }) }$: $2$
This field is Galois and abelian over $\Q_{19}.$
Visible slopes:None

Intermediate fields

The extension is primitive: there are no intermediate fields between this field and $\Q_{ 19 }$.

Unramified/totally ramified tower

Unramified subfield:$\Q_{19}$
Relative Eisenstein polynomial: \( x^{2} + 38 \) Copy content Toggle raw display

Ramification polygon

Data not computed

Invariants of the Galois closure

Galois group: $C_2$ (as 2T1)
Inertia group: $C_2$ (as 2T1)
Wild inertia group: $C_1$
Unramified degree: $1$
Tame degree: $2$
Wild slopes: None
Galois mean slope: $1/2$
Galois splitting model:$x^{2} - 19$