# Group cohomology of groups of prime-square order

From Groupprops

This article gives specific information, namely, group cohomology, about a family of groups, namely: groups of prime-square order.

View group cohomology of group families | View other specific information about groups of prime-square order

Let be a prime number. We consider here the groups of order . There are two such groups: cyclic group of prime-square order and elementary abelian group of prime-square order. To see why these are the only groups, see classification of groups of prime-square order.