Defining polynomial
\(x^{2} + 785\) ![]() |
Invariants
Base field: | $\Q_{157}$ |
Degree $d$: | $2$ |
Ramification exponent $e$: | $2$ |
Residue field degree $f$: | $1$ |
Discriminant exponent $c$: | $1$ |
Discriminant root field: | $\Q_{157}(\sqrt{157\cdot 2})$ |
Root number: | $-1$ |
$|\Gal(K/\Q_{ 157 })|$: | $2$ |
This field is Galois and abelian over $\Q_{157}.$ |
Intermediate fields
The extension is primitive: there are no intermediate fields between this field and $\Q_{ 157 }$. |
Unramified/totally ramified tower
Unramified subfield: | $\Q_{157}$ |
Relative Eisenstein polynomial: | \( x^{2} + 785 \) ![]() |
Invariants of the Galois closure
Galois group: | $C_2$ (as 2T1) |
Inertia group: | $C_2$ |
Unramified degree: | $1$ |
Tame degree: | $2$ |
Wild slopes: | None |
Galois mean slope: | $1/2$ |
Galois splitting model: | $x^{2} + 785$ |