Defining polynomial
\(x^{14} + x^{7} + x^{5} + x^{3} + 1\)
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Invariants
Base field: | $\Q_{2}$ |
Degree $d$: | $14$ |
Ramification exponent $e$: | $1$ |
Residue field degree $f$: | $14$ |
Discriminant exponent $c$: | $0$ |
Discriminant root field: | $\Q_{2}(\sqrt{5})$ |
Root number: | $1$ |
$\card{ \Gal(K/\Q_{ 2 }) }$: | $14$ |
This field is Galois and abelian over $\Q_{2}.$ | |
Visible slopes: | None |
Intermediate fields
$\Q_{2}(\sqrt{5})$, 2.7.0.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
Unramified subfield: | 2.14.0.1 $\cong \Q_{2}(t)$ where $t$ is a root of
\( x^{14} + x^{7} + x^{5} + x^{3} + 1 \)
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Relative Eisenstein polynomial: |
\( x - 2 \)
$\ \in\Q_{2}(t)[x]$
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Ramification polygon
The ramification polygon is trivial for unramified extensions.