Solution

Past exam of the mathematics course of the University of Cambridge / 2005 / iii / Paper 1 / 1 / Solution

Past exam of the mathematics course of the University of Cambridge / 2005 / iii / Paper 1 / 3 / Solution

Past exam of the mathematics course of the University of Cambridge / 2005 / iii / Paper 1 / 4 / Solution

{title2=$N_G(H)$}

= Normaliser
{synonym}

The normalizer $N_G(H)=\{g\in G:gHg^{-1}=H\}$ is the stabilizer of a subgroup $H$ under the <conjugation action>.

Codex @codex  0

 Incoming links: Normalizer