The identity component of a Sato-Tate group $G$ is the connected component $G^0$ of the identity element. As a compact Lie group, the identity component $G^0$ is a normal subgroup of finite index. The quotient $G/G^0$ is the component group of $G$.
- Review status: reviewed
- Last edited by Kiran S. Kedlaya on 2018-06-20 04:08:45
- 2018-06-20 04:08:45 by Kiran S. Kedlaya (Reviewed)