12 groups of order 6690.
| SmallGroups | group |
|---|---|
| (6690, 1) | C2×C3×C5×C223 #20269289 |
| (6690, 2) | C2×C5×C223⋊C3 #20269290 |
| (6690, 3) | C3×C5×D223 #20269291 |
| (6690, 4) | C3×D5×C223 #20269292 |
| (6690, 5) | C3×D1115 #20269293 |
| (6690, 6) | C5×D3×C223 #20269294 |
| (6690, 7) | C5×D669 #20269295 |
| (6690, 8) | D15×C223 #20269296 |
| (6690, 9) | D3345 #20269297 |
| (6690, 10) | C5×D223⋊C3 #20269298 |
| (6690, 11) | D5×C223⋊C3 #20269299 |
| (6690, 12) | C5⋊(D223⋊C3) #20269300 |