Index of a subgroup
= Index of a subgroup
{title2=$[G:H]$}
{wiki}
= Subgroup index
{synonym}
The index $[G:H]$ is the number of left cosets of $H$ in $G$.
= Index of a subgroup
{title2=$[G:H]$}
{wiki}
= Subgroup index
{synonym}
The index $[G:H]$ is the number of left cosets of $H$ in $G$.