| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(C2×M4(2)) = C2×C8⋊C4 | central extension (φ=1) | 64 | | C2.1(C2xM4(2)) | 64,84 |
| C2.2(C2×M4(2)) = C4×M4(2) | central extension (φ=1) | 32 | | C2.2(C2xM4(2)) | 64,85 |
| C2.3(C2×M4(2)) = C2×C22⋊C8 | central extension (φ=1) | 32 | | C2.3(C2xM4(2)) | 64,87 |
| C2.4(C2×M4(2)) = C2×C4⋊C8 | central extension (φ=1) | 64 | | C2.4(C2xM4(2)) | 64,103 |
| C2.5(C2×M4(2)) = C42.12C4 | central extension (φ=1) | 32 | | C2.5(C2xM4(2)) | 64,112 |
| C2.6(C2×M4(2)) = C24.4C4 | central stem extension (φ=1) | 16 | | C2.6(C2xM4(2)) | 64,88 |
| C2.7(C2×M4(2)) = C4⋊M4(2) | central stem extension (φ=1) | 32 | | C2.7(C2xM4(2)) | 64,104 |
| C2.8(C2×M4(2)) = C42.6C4 | central stem extension (φ=1) | 32 | | C2.8(C2xM4(2)) | 64,113 |
| C2.9(C2×M4(2)) = C8⋊9D4 | central stem extension (φ=1) | 32 | | C2.9(C2xM4(2)) | 64,116 |
| C2.10(C2×M4(2)) = C8⋊6D4 | central stem extension (φ=1) | 32 | | C2.10(C2xM4(2)) | 64,117 |
| C2.11(C2×M4(2)) = C8⋊4Q8 | central stem extension (φ=1) | 64 | | C2.11(C2xM4(2)) | 64,127 |