11 groups of order 19660.
| SmallGroups | group |
|---|---|
| (19660, 1) | C4×C5×C983 #34088779 |
| (19660, 2) | Dic5×C983 #34088780 |
| (19660, 3) | C5×Dic983 #34088781 |
| (19660, 4) | Dic4915 #34088782 |
| (19660, 5) | C22×C5×C983 #34088783 |
| (19660, 6) | AGL(1,𝔽5)×C983 #34088784 |
| (19660, 7) | C983⋊AGL(1,𝔽5) #34088785 |
| (19660, 8) | D5×D983 #34088786 |
| (19660, 9) | C2×D4915 #34088787 |
| (19660, 10) | C2×D5×C983 #34088788 |
| (19660, 11) | C2×C5×D983 #34088789 |