15 groups of order 7940.
| SmallGroups | group |
|---|---|
| (7940, 1) | C4×C5×C397 #22547251 |
| (7940, 2) | Dic5×C397 #22547252 |
| (7940, 3) | C5×Dic397 #22547253 |
| (7940, 4) | Dic1985 #22547254 |
| (7940, 5) | C22×C5×C397 #22547255 |
| (7940, 6) | C5×#13097544 #22547256 |
| (7940, 7) | AGL(1,𝔽5)×C397 #22547257 |
| (7940, 8) | #22547258 |
| (7940, 9) | #22547259 |
| (7940, 10) | #22547260 |
| (7940, 11) | #22547261 |
| (7940, 12) | D5×D397 #22547262 |
| (7940, 13) | C2×D1985 #22547263 |
| (7940, 14) | C2×D5×C397 #22547264 |
| (7940, 15) | C2×C5×D397 #22547265 |