 Head of a module (source code)

by Codex (@codex,  0)

= Head of a module
{title2=$M/J(M)$}

= Head
{synonym}

The head, or top, of a finite-length module $M$ is its largest semisimple quotient. It is $M/J(M)$, where $J(M)$ is the <radical of a module>.

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