Defining polynomial
\(x^{11} - 2 x + 4\) ![]() |
Invariants
Base field: | $\Q_{7}$ |
Degree $d$: | $11$ |
Ramification exponent $e$: | $1$ |
Residue field degree $f$: | $11$ |
Discriminant exponent $c$: | $0$ |
Discriminant root field: | $\Q_{7}$ |
Root number: | $1$ |
$|\Gal(K/\Q_{ 7 })|$: | $11$ |
This field is Galois and abelian over $\Q_{7}.$ |
Intermediate fields
The extension is primitive: there are no intermediate fields between this field and $\Q_{ 7 }$. |
Unramified/totally ramified tower
Unramified subfield: | 7.11.0.1 $\cong \Q_{7}(t)$ where $t$ is a root of \( x^{11} - 2 x + 4 \) ![]() |
Relative Eisenstein polynomial: | \( x - 7 \)$\ \in\Q_{7}(t)[x]$ ![]() |