13 groups of order 441.
| SmallGroups | group |
|---|---|
| (441, 1) | C49⋊C9 #89199 |
| (441, 2) | C9×C49 #89200 |
| (441, 3) | C3×C49⋊C3 #89201 |
| (441, 4) | C32×C49 #89202 |
| (441, 5) | C7×C7⋊C9 #89203 |
| (441, 6) | #89204 |
| (441, 7) | #89205 |
| (441, 8) | C72×C9 #89206 |
| (441, 9) | ΓL(1,𝔽8)2 #89207 |
| (441, 10) | C3×C7×ΓL(1,𝔽8) #89208 |
| (441, 11) | C3×#3861 #89209 |
| (441, 12) | C3×#3862 #89210 |
| (441, 13) | C32×C72 #89211 |