2-maximal subgroups

s-seminormal subgroups

s-permutable subgroups

S-normal subgroups

set of orders of solvable subgroups

series of subgroups

series of commutator subgroups

Seminormal subgroups

s-conditionally semipermutable subgroups

Rough Subgroups

Rough Normal Subgroups

Rough Invariant Subgroups

Pronormal subgroups

principal composition series of subgroups

pnearly maximal subgroups of groups

p-Frattini subgroups

number of subgroups

normality subgroups