| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(D40⋊C2) = (D4×D5)⋊C4 | central extension (φ=1) | 80 | | C2.1(D40:C2) | 320,397 |
| C2.2(D40⋊C2) = D4⋊D5⋊6C4 | central extension (φ=1) | 160 | | C2.2(D40:C2) | 320,412 |
| C2.3(D40⋊C2) = Q8⋊(C4×D5) | central extension (φ=1) | 160 | | C2.3(D40:C2) | 320,430 |
| C2.4(D40⋊C2) = Q8⋊D5⋊6C4 | central extension (φ=1) | 160 | | C2.4(D40:C2) | 320,444 |
| C2.5(D40⋊C2) = C8⋊(C4×D5) | central extension (φ=1) | 160 | | C2.5(D40:C2) | 320,488 |
| C2.6(D40⋊C2) = D40⋊15C4 | central extension (φ=1) | 160 | | C2.6(D40:C2) | 320,496 |
| C2.7(D40⋊C2) = SD16⋊Dic5 | central extension (φ=1) | 160 | | C2.7(D40:C2) | 320,791 |
| C2.8(D40⋊C2) = C4⋊C4.D10 | central stem extension (φ=1) | 160 | | C2.8(D40:C2) | 320,391 |
| C2.9(D40⋊C2) = D4.2Dic10 | central stem extension (φ=1) | 160 | | C2.9(D40:C2) | 320,393 |
| C2.10(D40⋊C2) = D4⋊D20 | central stem extension (φ=1) | 80 | | C2.10(D40:C2) | 320,400 |
| C2.11(D40⋊C2) = C5⋊(C8⋊2D4) | central stem extension (φ=1) | 160 | | C2.11(D40:C2) | 320,409 |
| C2.12(D40⋊C2) = C40⋊5C4⋊C2 | central stem extension (φ=1) | 160 | | C2.12(D40:C2) | 320,411 |
| C2.13(D40⋊C2) = D20⋊3D4 | central stem extension (φ=1) | 160 | | C2.13(D40:C2) | 320,413 |
| C2.14(D40⋊C2) = Dic5.9Q16 | central stem extension (φ=1) | 320 | | C2.14(D40:C2) | 320,421 |
| C2.15(D40⋊C2) = Q8⋊C4⋊D5 | central stem extension (φ=1) | 160 | | C2.15(D40:C2) | 320,422 |
| C2.16(D40⋊C2) = D10.7Q16 | central stem extension (φ=1) | 160 | | C2.16(D40:C2) | 320,436 |
| C2.17(D40⋊C2) = D20⋊4D4 | central stem extension (φ=1) | 160 | | C2.17(D40:C2) | 320,438 |
| C2.18(D40⋊C2) = C5⋊(C8⋊D4) | central stem extension (φ=1) | 160 | | C2.18(D40:C2) | 320,439 |
| C2.19(D40⋊C2) = D20.12D4 | central stem extension (φ=1) | 160 | | C2.19(D40:C2) | 320,446 |
| C2.20(D40⋊C2) = C40⋊3Q8 | central stem extension (φ=1) | 320 | | C2.20(D40:C2) | 320,483 |
| C2.21(D40⋊C2) = D10.17SD16 | central stem extension (φ=1) | 160 | | C2.21(D40:C2) | 320,490 |
| C2.22(D40⋊C2) = C8⋊2D20 | central stem extension (φ=1) | 160 | | C2.22(D40:C2) | 320,492 |
| C2.23(D40⋊C2) = C4.Q8⋊D5 | central stem extension (φ=1) | 160 | | C2.23(D40:C2) | 320,493 |
| C2.24(D40⋊C2) = D20⋊Q8 | central stem extension (φ=1) | 160 | | C2.24(D40:C2) | 320,497 |
| C2.25(D40⋊C2) = D20.Q8 | central stem extension (φ=1) | 160 | | C2.25(D40:C2) | 320,498 |
| C2.26(D40⋊C2) = Dic5⋊5SD16 | central stem extension (φ=1) | 160 | | C2.26(D40:C2) | 320,790 |
| C2.27(D40⋊C2) = (C5×D4).D4 | central stem extension (φ=1) | 160 | | C2.27(D40:C2) | 320,792 |
| C2.28(D40⋊C2) = D10⋊6SD16 | central stem extension (φ=1) | 80 | | C2.28(D40:C2) | 320,796 |
| C2.29(D40⋊C2) = D20⋊7D4 | central stem extension (φ=1) | 160 | | C2.29(D40:C2) | 320,799 |
| C2.30(D40⋊C2) = C40⋊8D4 | central stem extension (φ=1) | 160 | | C2.30(D40:C2) | 320,801 |
| C2.31(D40⋊C2) = C40⋊9D4 | central stem extension (φ=1) | 160 | | C2.31(D40:C2) | 320,803 |