Finite Group DatabasebetaFinite Group Databasebeta9 groups of order 644.
| SmallGroups | group |
|---|---|
| (644, 1) | C23×Dic7 #10619466 |
| (644, 2) | C7×Dic23 #10619467 |
| (644, 3) | Dic161 #10619468 |
| (644, 4) | C4×C7×C23 #10619469 |
| (644, 5) | D7×D23 #10619470 |
| (644, 6) | C2×C7×D23 #10619471 |
| (644, 7) | C2×D7×C23 #10619472 |
| (644, 8) | C2×D161 #10619473 |
| (644, 9) | C22×C7×C23 #10619474 |