then that element is denoted by $\unit{R}$. Its additive identity
element is $\zero{R}$. The stabilizer (or isotropy)
subgroup of $G$ that fixes $x$ is $\Stab{G}{x}$.
then that element is denoted by $\unit{R}$. Its additive identity
element is $\zero{R}$. The stabilizer (or isotropy)
subgroup of $G$ that fixes $x$ is $\Stab{G}{x}$.