51 reputation
1
bio website
location
age
visits member for 1 year, 4 months
seen Mar 22 at 13:52

Dec
6
comment Which group is meant by $\mathbb Z/2 \times \mathbb Z/2.$
Yes, it is the same group. The $\times$ means that you take the product set with componentwise operations, and the product and direct sum of two abelian groups are the same.