Infinite Abelian groups

Up:Monoid enumeration
3 unique, 638 total

Σ#PresentationPropertiesDescriptionφ
43⟨a, b | ab=1, ba=1⟩Grp Com Infℤ601
8486⟨a, b | aabb=1, baba=1⟩Grp Com Infℤ2 ⊕ ℤ28
106917⟨a, b | ba=ab, aaabbb=1⟩Grp Com Infℤ3 ⊕ ℤ6