| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(C2×C4×D9) = C42×D9 | central extension (φ=1) | 144 | | C2.1(C2xC4xD9) | 288,81 |
| C2.2(C2×C4×D9) = C2×C8×D9 | central extension (φ=1) | 144 | | C2.2(C2xC4xD9) | 288,110 |
| C2.3(C2×C4×D9) = C2×C4×Dic9 | central extension (φ=1) | 288 | | C2.3(C2xC4xD9) | 288,132 |
| C2.4(C2×C4×D9) = C4×Dic18 | central stem extension (φ=1) | 288 | | C2.4(C2xC4xD9) | 288,78 |
| C2.5(C2×C4×D9) = C42⋊2D9 | central stem extension (φ=1) | 144 | | C2.5(C2xC4xD9) | 288,82 |
| C2.6(C2×C4×D9) = C4×D36 | central stem extension (φ=1) | 144 | | C2.6(C2xC4xD9) | 288,83 |
| C2.7(C2×C4×D9) = C23.16D18 | central stem extension (φ=1) | 144 | | C2.7(C2xC4xD9) | 288,87 |
| C2.8(C2×C4×D9) = C22⋊C4×D9 | central stem extension (φ=1) | 72 | | C2.8(C2xC4xD9) | 288,90 |
| C2.9(C2×C4×D9) = Dic9⋊4D4 | central stem extension (φ=1) | 144 | | C2.9(C2xC4xD9) | 288,91 |
| C2.10(C2×C4×D9) = Dic9⋊3Q8 | central stem extension (φ=1) | 288 | | C2.10(C2xC4xD9) | 288,97 |
| C2.11(C2×C4×D9) = C4⋊C4×D9 | central stem extension (φ=1) | 144 | | C2.11(C2xC4xD9) | 288,101 |
| C2.12(C2×C4×D9) = C4⋊C4⋊7D9 | central stem extension (φ=1) | 144 | | C2.12(C2xC4xD9) | 288,102 |
| C2.13(C2×C4×D9) = D36⋊C4 | central stem extension (φ=1) | 144 | | C2.13(C2xC4xD9) | 288,103 |
| C2.14(C2×C4×D9) = C2×C8⋊D9 | central stem extension (φ=1) | 144 | | C2.14(C2xC4xD9) | 288,111 |
| C2.15(C2×C4×D9) = D36.2C4 | central stem extension (φ=1) | 144 | 2 | C2.15(C2xC4xD9) | 288,112 |
| C2.16(C2×C4×D9) = M4(2)×D9 | central stem extension (φ=1) | 72 | 4 | C2.16(C2xC4xD9) | 288,116 |
| C2.17(C2×C4×D9) = D36.C4 | central stem extension (φ=1) | 144 | 4 | C2.17(C2xC4xD9) | 288,117 |
| C2.18(C2×C4×D9) = C2×Dic9⋊C4 | central stem extension (φ=1) | 288 | | C2.18(C2xC4xD9) | 288,133 |
| C2.19(C2×C4×D9) = C2×D18⋊C4 | central stem extension (φ=1) | 144 | | C2.19(C2xC4xD9) | 288,137 |
| C2.20(C2×C4×D9) = C4×C9⋊D4 | central stem extension (φ=1) | 144 | | C2.20(C2xC4xD9) | 288,138 |