Ask & Answers gr.group principle – Is the group of integer factors of a easy actual linear algebraic group a maximal closed subgroup? Answer

Ask & Answers gr.group principle – Finite presentability of semi direct product of free group and its commutator subgroup Answer

Ask & Answers rt.illustration idea – Is the group of integer factors of a actual linear algebraic group a maximal closed subgroup? Answer

Ask & Answers reference request – judgement the definition of subgroup of the Grothendieck-Teichmuller group Answer

Ask & Answers gr.group concept – Smallest $mathbb R$-algebra which comprises a subgroup isomorphic to $A_4$ Answer

Ask & Answers The motion of an extension group $G=p^{1+2n}{.}Q$ on the loyal characters of its regular subgroup $p^{1+2n}$ Answer

Ask & Answers Minimum point principal congruence subgroup coming from tidy launch compact subgroup Answer