15 groups of order 7780.
| SmallGroups | group |
|---|---|
| (7780, 1) | C4×C5×C389 #21441148 |
| (7780, 2) | Dic5×C389 #21441149 |
| (7780, 3) | C5×Dic389 #21441150 |
| (7780, 4) | Dic1945 #21441151 |
| (7780, 5) | C22×C5×C389 #21441152 |
| (7780, 6) | C5×#13095555 #21441153 |
| (7780, 7) | AGL(1,𝔽5)×C389 #21441154 |
| (7780, 8) | #21441155 |
| (7780, 9) | #21441156 |
| (7780, 10) | #21441157 |
| (7780, 11) | #21441158 |
| (7780, 12) | D5×D389 #21441159 |
| (7780, 13) | C2×D1945 #21441160 |
| (7780, 14) | C2×D5×C389 #21441161 |
| (7780, 15) | C2×C5×D389 #21441162 |