Invariant subgroup
From Encyclopedia of Mathematics
The same as a normal subgroup, that is, a subgroup $H$ of a group $G$ that is taken to itself under any inner automorphism of $G$.
How to Cite This Entry:
Invariant subgroup. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Invariant_subgroup&oldid=16417
Invariant subgroup. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Invariant_subgroup&oldid=16417