| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(C20⋊2D4) = C24.3D10 | central extension (φ=1) | 160 | | C2.1(C20:2D4) | 320,571 |
| C2.2(C20⋊2D4) = C24.12D10 | central extension (φ=1) | 160 | | C2.2(C20:2D4) | 320,583 |
| C2.3(C20⋊2D4) = C20⋊4(C4⋊C4) | central extension (φ=1) | 320 | | C2.3(C20:2D4) | 320,600 |
| C2.4(C20⋊2D4) = D10⋊4(C4⋊C4) | central extension (φ=1) | 160 | | C2.4(C20:2D4) | 320,614 |
| C2.5(C20⋊2D4) = C24.19D10 | central extension (φ=1) | 160 | | C2.5(C20:2D4) | 320,848 |
| C2.6(C20⋊2D4) = C24.6D10 | central stem extension (φ=1) | 160 | | C2.6(C20:2D4) | 320,575 |
| C2.7(C20⋊2D4) = C24.16D10 | central stem extension (φ=1) | 160 | | C2.7(C20:2D4) | 320,588 |
| C2.8(C20⋊2D4) = (C2×C20).287D4 | central stem extension (φ=1) | 320 | | C2.8(C20:2D4) | 320,607 |
| C2.9(C20⋊2D4) = (C2×C20).290D4 | central stem extension (φ=1) | 160 | | C2.9(C20:2D4) | 320,620 |
| C2.10(C20⋊2D4) = C42.61D10 | central stem extension (φ=1) | 160 | | C2.10(C20:2D4) | 320,681 |
| C2.11(C20⋊2D4) = D20.23D4 | central stem extension (φ=1) | 160 | | C2.11(C20:2D4) | 320,684 |
| C2.12(C20⋊2D4) = C20⋊2D8 | central stem extension (φ=1) | 160 | | C2.12(C20:2D4) | 320,699 |
| C2.13(C20⋊2D4) = Dic10⋊9D4 | central stem extension (φ=1) | 160 | | C2.13(C20:2D4) | 320,702 |
| C2.14(C20⋊2D4) = C20⋊5SD16 | central stem extension (φ=1) | 160 | | C2.14(C20:2D4) | 320,710 |
| C2.15(C20⋊2D4) = C20⋊Q16 | central stem extension (φ=1) | 320 | | C2.15(C20:2D4) | 320,717 |
| C2.16(C20⋊2D4) = C40⋊6D4 | central stem extension (φ=1) | 160 | | C2.16(C20:2D4) | 320,784 |
| C2.17(C20⋊2D4) = C40⋊12D4 | central stem extension (φ=1) | 160 | | C2.17(C20:2D4) | 320,786 |
| C2.18(C20⋊2D4) = C40.23D4 | central stem extension (φ=1) | 80 | 4 | C2.18(C20:2D4) | 320,787 |
| C2.19(C20⋊2D4) = C40⋊14D4 | central stem extension (φ=1) | 160 | | C2.19(C20:2D4) | 320,798 |
| C2.20(C20⋊2D4) = C40⋊8D4 | central stem extension (φ=1) | 160 | | C2.20(C20:2D4) | 320,801 |
| C2.21(C20⋊2D4) = C40.44D4 | central stem extension (φ=1) | 80 | 4 | C2.21(C20:2D4) | 320,804 |
| C2.22(C20⋊2D4) = D10⋊3Q16 | central stem extension (φ=1) | 160 | | C2.22(C20:2D4) | 320,815 |
| C2.23(C20⋊2D4) = C40.36D4 | central stem extension (φ=1) | 160 | | C2.23(C20:2D4) | 320,816 |
| C2.24(C20⋊2D4) = C40.29D4 | central stem extension (φ=1) | 160 | 4 | C2.24(C20:2D4) | 320,819 |
| C2.25(C20⋊2D4) = C24.20D10 | central stem extension (φ=1) | 160 | | C2.25(C20:2D4) | 320,849 |
| C2.26(C20⋊2D4) = C24.21D10 | central stem extension (φ=1) | 160 | | C2.26(C20:2D4) | 320,850 |