- have
infinite order. The
subgroups of any
given group form a
complete lattice under inclusion,
called the
lattice of
subgroups. (While the
infimum here...
-
group then its
unique maximal subgroup (as a semigroup) is S itself.
Considering subgroups, and in
particular maximal subgroups, of
semigroups often allows...
-
congruence subgroup problem,
which asks
whether all
subgroups of
finite index are
essentially congruence subgroups.
Congruence subgroups of 2 × 2 matrices...
-
there are
groups that have proper, non-trivial
normal subgroups but no
normal Sylow subgroups, such as S 4 {\displaystyle S_{4}} .
Groups that are of...
-
given generalized ****ing
subgroup. The
normalizers of
nontrivial p-
subgroups of a
finite group are
called the p-local
subgroups and
exert a
great deal of...
-
subgroups are
important because they (and only they) can be used to
construct quotient groups of the
given group. Furthermore, the
normal subgroups of...
- and
abnormal subgroups". J. Math. Study. 29 (4): 10–15. Zhang, Q. H. (1998). "Finite
groups with only ss-quasinormal and
abnormal subgroups". Northeast...
-
algebraic groups.
Subgroups between a
Borel subgroup B and the
ambient group G are
called parabolic subgroups.
Parabolic subgroups P are also characterized...
- that all its
subgroups are quasinormal. However, not all of its
subgroups need be normal.
Every quasinormal subgroup is a
modular subgroup, that is, a...
- two
subgroups is the
subgroup generated by
their union, and the meet of two
subgroups is
their intersection. The
dihedral group Dih4 has ten
subgroups, counting...
