10 groups of order 20450.
| SmallGroups | group |
|---|---|
| (20450, 1) | C2×C25×C409 #35205517 |
| (20450, 2) | D25×C409 #35205518 |
| (20450, 3) | C25×D409 #35205519 |
| (20450, 4) | D10225 #35205520 |
| (20450, 5) | C2×C52×C409 #35205521 |
| (20450, 6) | C52×D409 #35205522 |
| (20450, 7) | C5×D5×C409 #35205523 |
| (20450, 8) | C5×D2045 #35205524 |
| (20450, 9) | C5⋊D5×C409 #35205525 |
| (20450, 10) | C5⋊D2045 #35205526 |