11 groups of order 819.
| SmallGroups | group |
|---|---|
| (819, 1) | C13×C7⋊C9 #11717939 |
| (819, 2) | C7×C13⋊C9 #11717940 |
| (819, 3) | #11717941 |
| (819, 4) | #11717942 |
| (819, 5) | C7×C9×C13 #11717943 |
| (819, 6) | ΓL(1,𝔽8)×C13⋊C3 #11717944 |
| (819, 7) | C3×C7×C13⋊C3 #11717945 |
| (819, 8) | C3×C13×ΓL(1,𝔽8) #11717946 |
| (819, 9) | C3×#63270 #11717947 |
| (819, 10) | C3×#63271 #11717948 |
| (819, 11) | C32×C7×C13 #11717949 |