New posts in Gr.Group Theory

Élie Cartan's paper "Les groupes réels simples, finis et continus" of 1914

Abundancy index and non-solvable finite groups

Group structure for distributive lattices

The zero entries in the character table of a finite group

Emergence of the orthogonal group

Bass-Serre theory textbook

What is known about ordinary character values at involutions?

Is every finitely-presentable group a finite colimit of copies of $F_2$?

Seeking to understand meaning of "von Neumann spectrum" in a paper of Bader–Furman–Shaker

Torsion group with finitely many elements of order 2 but infinitely many elements of order 4