Assertion: abelian group's subgroup | /r/HasAspect | two cosets
Facets:
Source sentences:
text: The subgroup is a subgroup of index two, and hence has two cosets -- the subgroup itself and the complement of the subgroup in the group:
text: The subgroup of multiples of 3 has three cosets: the multiples of 3, the numbers that are 1 mod 3, and the numbers that are 2 mod 3.