Virtually cyclic group
= Virtually cyclic group
{wiki}
A group is virtually cyclic when it has a cyclic subgroup of finite index. A finitely generated abelian group is virtually cyclic exactly when its free abelian rank is one.
= Virtually cyclic group
{wiki}
A group is virtually cyclic when it has a cyclic subgroup of finite index. A finitely generated abelian group is virtually cyclic exactly when its free abelian rank is one.