Defining polynomial
\(x^{2} + 60 x + 2\)
|
Invariants
Base field: | $\Q_{61}$ |
Degree $d$: | $2$ |
Ramification index $e$: | $1$ |
Residue field degree $f$: | $2$ |
Discriminant exponent $c$: | $0$ |
Discriminant root field: | $\Q_{61}(\sqrt{2})$ |
Root number: | $1$ |
$\Aut(K/\Q_{61})$ $=$$\Gal(K/\Q_{61})$: | $C_2$ |
This field is Galois and abelian over $\Q_{61}.$ | |
Visible Artin slopes: | $[\ ]$ |
Visible Swan slopes: | $[\ ]$ |
Means: | $\langle\ \rangle$ |
Rams: | $(\ )$ |
Jump set: | undefined |
Roots of unity: | $3720 = (61^{ 2 } - 1)$ |
Intermediate fields
The extension is primitive: there are no intermediate fields between this field and $\Q_{ 61 }$. |
Canonical tower
Unramified subfield: | $\Q_{61}(\sqrt{2})$ $\cong \Q_{61}(t)$ where $t$ is a root of
\( x^{2} + 60 x + 2 \)
|
Relative Eisenstein polynomial: |
\( x - 61 \)
$\ \in\Q_{61}(t)[x]$
|
Ramification polygon
The ramification polygon is trivial for unramified extensions.
Invariants of the Galois closure
Galois degree: | $2$ |
Galois group: | $C_2$ (as 2T1) |
Inertia group: | trivial |
Wild inertia group: | $C_1$ |
Galois unramified degree: | $2$ |
Galois tame degree: | $1$ |
Galois Artin slopes: | $[\ ]$ |
Galois Swan slopes: | $[\ ]$ |
Galois mean slope: | $0.0$ |
Galois splitting model: | $x^{2} - x + 2$ |