linear group locally soluble group 3 15A03 2 20E99 2 20F16 2 20F29 2 Vector space 2 \(G\)-invariant subspace 2 fundamental dimension 2 module 2 nearly \(G\)-invariant subspace 2 section \(p\)-rank 2 20E34 1 20F16; Secondary 20E25 1 20F22 1 20F50 1 Primary 20E15 1 dense family of subgroups 1 finite central dimension 1 infinite dimensional linear group 1 infinite group 1