15 groups of order 20817.
| SmallGroups | group |
|---|---|
| (20817, 1) | C81×C257 #35209630 |
| (20817, 2) | C92×C257 #35209631 |
| (20817, 3) | C32⋊C9×C257 #35209632 |
| (20817, 4) | C9⋊C9×C257 #35209633 |
| (20817, 5) | C3×C27×C257 #35209634 |
| (20817, 6) | C27⋊C3×C257 #35209635 |
| (20817, 7) | AΣL(1,𝔽27)×C257 #35209636 |
| (20817, 8) | #731×C257 #35209637 |
| (20817, 9) | #732×C257 #35209638 |
| (20817, 10) | #733×C257 #35209639 |
| (20817, 11) | C32×C9×C257 #35209640 |
| (20817, 12) | C3×H(3,𝔽3)×C257 #35209641 |
| (20817, 13) | C3×3−1+2×C257 #35209642 |
| (20817, 14) | #737×C257 #35209643 |
| (20817, 15) | C34×C257 #35209644 |