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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 $G$.

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• Review status: reviewed
• Last edited by Kiran S. Kedlaya on 2018-06-20 04:08:45
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