Group theory Finite groups 27 Mathematics 18 Mathematical physics 17 Number theory 14 Algebra 13 Geometry, Algebraic 12 more ... Representations of groups 12 Symmetry (Physics) 11 Geometry 9 Lie algebras 9 Linear algebraic groups 9 Combinatorial analysis 8 Topology 8 Algebraic topology 7 Galois theory 6 Logic, Symbolic and mathematical 6 Molecular theory 6 Quantum theory 6 Symmetry 6 Algebraic fields 5 Cryptography 5 Graph theory 5 Machine theory 5 Matrices 5 Nilpotent groups 5 Sylow subgroups 5 p-adic groups 5 Algebra, Abstract 4 Algebra, Homological 4 less ...