12 groups of order 3084.
| SmallGroups | group |
|---|---|
| (3084, 1) | C3×C4×C257 #15690501 |
| (3084, 2) | Dic3×C257 #15690502 |
| (3084, 3) | C3×Dic257 #15690503 |
| (3084, 4) | Dic771 #15690504 |
| (3084, 5) | C22×C3×C257 #15690505 |
| (3084, 6) | C3×#11759967 #15690506 |
| (3084, 7) | C3⋊#11759967 #15690507 |
| (3084, 8) | D3×D257 #15690508 |
| (3084, 9) | A4×C257 #15690509 |
| (3084, 10) | C2×D771 #15690510 |
| (3084, 11) | C2×D3×C257 #15690511 |
| (3084, 12) | C2×C3×D257 #15690512 |