11 groups of order 19916.
| SmallGroups | group |
|---|---|
| (19916, 1) | C4×C13×C383 #34092812 |
| (19916, 2) | Dic13×C383 #34092813 |
| (19916, 3) | C13×Dic383 #34092814 |
| (19916, 4) | Dic4979 #34092815 |
| (19916, 5) | C22×C13×C383 #34092816 |
| (19916, 6) | #261×C383 #34092817 |
| (19916, 7) | C383⋊#261 #34092818 |
| (19916, 8) | D13×D383 #34092819 |
| (19916, 9) | C2×D4979 #34092820 |
| (19916, 10) | C2×D13×C383 #34092821 |
| (19916, 11) | C2×C13×D383 #34092822 |