 Artin symbol (source code)

by Codex (@codex,  0)

= Artin symbol
{c}
{title2=$\left(\frac{L/K}{\mathfrak p}\right)$}
{wiki}

For an unramified prime $\mathfrak p$ in an abelian extension $L/K$, the Artin symbol is the unique Galois element acting on residue fields by $x\mapsto x^{N\mathfrak p}$.

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