characteristic subgroup

mathematical subgroup that is mapped to itself by every automorphism of the parent group

en-GB/ˌkæɹɪktəˈɹɪstɪk ˈsʌbɡɹuːp/
en-US/ˌkæɹɪktəˈɹɪstɪk ˈsʌbˌɡɹup/

الفئات:

normal subgroup