| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(D14⋊C4) = D14⋊C8 | central extension (φ=1) | 112 | | C2.1(D14:C4) | 224,26 |
| C2.2(D14⋊C4) = C14.C42 | central extension (φ=1) | 224 | | C2.2(D14:C4) | 224,37 |
| C2.3(D14⋊C4) = Dic14⋊C4 | central stem extension (φ=1) | 56 | 2 | C2.3(D14:C4) | 224,11 |
| C2.4(D14⋊C4) = C23.1D14 | central stem extension (φ=1) | 56 | 4 | C2.4(D14:C4) | 224,12 |
| C2.5(D14⋊C4) = C14.D8 | central stem extension (φ=1) | 112 | | C2.5(D14:C4) | 224,15 |
| C2.6(D14⋊C4) = C14.Q16 | central stem extension (φ=1) | 224 | | C2.6(D14:C4) | 224,16 |
| C2.7(D14⋊C4) = C28.44D4 | central stem extension (φ=1) | 224 | | C2.7(D14:C4) | 224,22 |
| C2.8(D14⋊C4) = C2.D56 | central stem extension (φ=1) | 112 | | C2.8(D14:C4) | 224,27 |
| C2.9(D14⋊C4) = C28.46D4 | central stem extension (φ=1) | 56 | 4+ | C2.9(D14:C4) | 224,29 |
| C2.10(D14⋊C4) = C4.12D28 | central stem extension (φ=1) | 112 | 4- | C2.10(D14:C4) | 224,30 |
| C2.11(D14⋊C4) = D28⋊4C4 | central stem extension (φ=1) | 56 | 4 | C2.11(D14:C4) | 224,31 |