20D10 5 supersoluble group 5 Sylow subgroup 3 finite group 3 maximal subgroup 3 20D15 2 20D20 2 saturated formation 2 20D2 1 20D30 1 20D35 1 Finite group 1 Hall \(S\)-permutably embedded subgroup 1 Sylow \(p\)-subgroup 1 \(S\)-permutable closure 1 \(S\)-permutable subgroup 1 \(c\)-normal subgroup 1 \(c\)-permutable subgroup 1 \(p\)-nilpotent group 1 \(p\)-supersoluble groups 1 cover-avoidance property 1 nearly \(S\Phi\)-normal subgroup 1 tcc-permutable product 1 tcc-subgroup 1 totally permutable product 1