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Questions about the branch of algebra that deals with groups.

2 votes
4 answers
972 views

About structure of parabolic subgroups of finite classical algebraic groups

I am interested about a Fact (if it is right) of the structure of parabolic subgroups of finite classical algebraic groups: Let $G$ be a classical algebraic group over the finite field of order $r^{e …
2 votes
2 answers
839 views

Lie Theory: Included in normalizer of a maximal Torus

Hello People of Mathoverflow, I am searching for a Theorem about Lie Theory: Let $X_{l}(q)$ be a Group of Lie type, with Lie rank $l$ over the finite field with $q=r^{a}$ elements and $r$ is a prime …
0 votes

Lie Theory: Included in normalizer of a maximal Torus

first thank you all for your kind help. About the question of clarification which Marguax figures out at his first answer: I need the Theorem with the assumption at the last sentence of my 2nd para …
Little Lie Theory's user avatar