characteristic subgroup

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

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

زمرے:

normal subgroup