Let G be a group and H a subgroup of G.H iscalled an equieentralizer subgroup of G if all the centralizers of nonidentity elements of G are equal. An equieentralizer subgroup of a symmetric group is called an EC-group...Let G be a group and H a subgroup of G.H iscalled an equieentralizer subgroup of G if all the centralizers of nonidentity elements of G are equal. An equieentralizer subgroup of a symmetric group is called an EC-group and an equicentralizer subgroup of an alternating group, an ECA-group.展开更多
文摘Let G be a group and H a subgroup of G.H iscalled an equieentralizer subgroup of G if all the centralizers of nonidentity elements of G are equal. An equieentralizer subgroup of a symmetric group is called an EC-group and an equicentralizer subgroup of an alternating group, an ECA-group.