#36986 has broken .subgroup(...) badly #37744
Description
This has broken .subgroup(...) rather badly, see sage-devel
e.g. with this one gets
sage: g=AbelianGroup([2,2])
sage: g.cardinality().factor()
2^2
sage: gg=g.subgroup(g.list())
sage: gg.cardinality().factor()
2^3
Originally posted by @dimpase in #36986 (comment)