| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(C28⋊1D4) = (C2×C4)⋊9D28 | central extension (φ=1) | 224 | | C2.1(C28:1D4) | 448,199 |
| C2.2(C28⋊1D4) = C2.(C4×D28) | central extension (φ=1) | 224 | | C2.2(C28:1D4) | 448,204 |
| C2.3(C28⋊1D4) = C4⋊(C4⋊Dic7) | central extension (φ=1) | 448 | | C2.3(C28:1D4) | 448,519 |
| C2.4(C28⋊1D4) = C4⋊(D14⋊C4) | central extension (φ=1) | 224 | | C2.4(C28:1D4) | 448,521 |
| C2.5(C28⋊1D4) = (C2×D28)⋊10C4 | central extension (φ=1) | 224 | | C2.5(C28:1D4) | 448,522 |
| C2.6(C28⋊1D4) = C14.(C4⋊Q8) | central stem extension (φ=1) | 448 | | C2.6(C28:1D4) | 448,195 |
| C2.7(C28⋊1D4) = (C2×C4)⋊2D28 | central stem extension (φ=1) | 224 | | C2.7(C28:1D4) | 448,205 |
| C2.8(C28⋊1D4) = (C2×Dic7)⋊3D4 | central stem extension (φ=1) | 224 | | C2.8(C28:1D4) | 448,206 |
| C2.9(C28⋊1D4) = (C2×C4).21D28 | central stem extension (φ=1) | 224 | | C2.9(C28:1D4) | 448,208 |
| C2.10(C28⋊1D4) = C28⋊SD16 | central stem extension (φ=1) | 224 | | C2.10(C28:1D4) | 448,375 |
| C2.11(C28⋊1D4) = C4⋊D56 | central stem extension (φ=1) | 224 | | C2.11(C28:1D4) | 448,377 |
| C2.12(C28⋊1D4) = D28.19D4 | central stem extension (φ=1) | 224 | | C2.12(C28:1D4) | 448,378 |
| C2.13(C28⋊1D4) = C42.36D14 | central stem extension (φ=1) | 224 | | C2.13(C28:1D4) | 448,379 |
| C2.14(C28⋊1D4) = Dic14⋊8D4 | central stem extension (φ=1) | 224 | | C2.14(C28:1D4) | 448,382 |
| C2.15(C28⋊1D4) = C4⋊Dic28 | central stem extension (φ=1) | 448 | | C2.15(C28:1D4) | 448,383 |
| C2.16(C28⋊1D4) = C8⋊8D28 | central stem extension (φ=1) | 224 | | C2.16(C28:1D4) | 448,398 |
| C2.17(C28⋊1D4) = C56⋊7D4 | central stem extension (φ=1) | 224 | | C2.17(C28:1D4) | 448,399 |
| C2.18(C28⋊1D4) = C8.2D28 | central stem extension (φ=1) | 224 | | C2.18(C28:1D4) | 448,402 |
| C2.19(C28⋊1D4) = C8⋊7D28 | central stem extension (φ=1) | 224 | | C2.19(C28:1D4) | 448,417 |
| C2.20(C28⋊1D4) = C8⋊3D28 | central stem extension (φ=1) | 224 | | C2.20(C28:1D4) | 448,420 |
| C2.21(C28⋊1D4) = D14⋊2Q16 | central stem extension (φ=1) | 224 | | C2.21(C28:1D4) | 448,421 |
| C2.22(C28⋊1D4) = C56.18D4 | central stem extension (φ=1) | 224 | 4- | C2.22(C28:1D4) | 448,430 |
| C2.23(C28⋊1D4) = C8.21D28 | central stem extension (φ=1) | 112 | 4+ | C2.23(C28:1D4) | 448,431 |
| C2.24(C28⋊1D4) = C56.42D4 | central stem extension (φ=1) | 112 | 4 | C2.24(C28:1D4) | 448,432 |
| C2.25(C28⋊1D4) = (C2×C4)⋊3D28 | central stem extension (φ=1) | 224 | | C2.25(C28:1D4) | 448,525 |
| C2.26(C28⋊1D4) = (C2×C28).56D4 | central stem extension (φ=1) | 224 | | C2.26(C28:1D4) | 448,528 |