| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(C4×D20) = C8×D20 | central extension (φ=1) | 160 | | C2.1(C4xD20) | 320,313 |
| C2.2(C4×D20) = C4×C4⋊Dic5 | central extension (φ=1) | 320 | | C2.2(C4xD20) | 320,561 |
| C2.3(C4×D20) = C4×D10⋊C4 | central extension (φ=1) | 160 | | C2.3(C4xD20) | 320,565 |
| C2.4(C4×D20) = C2.(C4×D20) | central stem extension (φ=1) | 320 | | C2.4(C4xD20) | 320,280 |
| C2.5(C4×D20) = (C2×C4)⋊9D20 | central stem extension (φ=1) | 160 | | C2.5(C4xD20) | 320,292 |
| C2.6(C4×D20) = D10⋊3(C4⋊C4) | central stem extension (φ=1) | 160 | | C2.6(C4xD20) | 320,295 |
| C2.7(C4×D20) = C10.55(C4×D4) | central stem extension (φ=1) | 160 | | C2.7(C4xD20) | 320,297 |
| C2.8(C4×D20) = C8⋊6D20 | central stem extension (φ=1) | 160 | | C2.8(C4xD20) | 320,315 |
| C2.9(C4×D20) = C4×C40⋊C2 | central stem extension (φ=1) | 160 | | C2.9(C4xD20) | 320,318 |
| C2.10(C4×D20) = C4×D40 | central stem extension (φ=1) | 160 | | C2.10(C4xD20) | 320,319 |
| C2.11(C4×D20) = C4×Dic20 | central stem extension (φ=1) | 320 | | C2.11(C4xD20) | 320,325 |
| C2.12(C4×D20) = D40⋊17C4 | central stem extension (φ=1) | 80 | 2 | C2.12(C4xD20) | 320,327 |
| C2.13(C4×D20) = C8⋊9D20 | central stem extension (φ=1) | 160 | | C2.13(C4xD20) | 320,333 |
| C2.14(C4×D20) = C42.16D10 | central stem extension (φ=1) | 160 | | C2.14(C4xD20) | 320,337 |
| C2.15(C4×D20) = D40⋊9C4 | central stem extension (φ=1) | 160 | | C2.15(C4xD20) | 320,338 |
| C2.16(C4×D20) = Dic20⋊9C4 | central stem extension (φ=1) | 320 | | C2.16(C4xD20) | 320,343 |
| C2.17(C4×D20) = D40⋊10C4 | central stem extension (φ=1) | 80 | 4 | C2.17(C4xD20) | 320,344 |
| C2.18(C4×D20) = C20⋊7(C4⋊C4) | central stem extension (φ=1) | 320 | | C2.18(C4xD20) | 320,555 |
| C2.19(C4×D20) = (C2×C4)⋊6D20 | central stem extension (φ=1) | 160 | | C2.19(C4xD20) | 320,566 |
| C2.20(C4×D20) = (C2×C42)⋊D5 | central stem extension (φ=1) | 160 | | C2.20(C4xD20) | 320,567 |