13 groups of order 1521.
| SmallGroups | group |
|---|---|
| (1521, 1) | C169⋊C9 #13095195 |
| (1521, 2) | C9×C169 #13095196 |
| (1521, 3) | C3×C169⋊C3 #13095197 |
| (1521, 4) | C32×C169 #13095198 |
| (1521, 5) | C13×C13⋊C9 #13095199 |
| (1521, 6) | #13095200 |
| (1521, 7) | #13095201 |
| (1521, 8) | C9×C132 #13095202 |
| (1521, 9) | C13⋊C32 #13095203 |
| (1521, 10) | C3×C13×C13⋊C3 #13095204 |
| (1521, 11) | C3×#92788 #13095205 |
| (1521, 12) | C3×#92789 #13095206 |
| (1521, 13) | C32×C132 #13095207 |