| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(C2×C6×D9) = D9×C2×C12 | central extension (φ=1) | 144 | | C2.1(C2xC6xD9) | 432,342 |
| C2.2(C2×C6×D9) = C2×C6×Dic9 | central extension (φ=1) | 144 | | C2.2(C2xC6xD9) | 432,372 |
| C2.3(C2×C6×D9) = C6×Dic18 | central stem extension (φ=1) | 144 | | C2.3(C2xC6xD9) | 432,340 |
| C2.4(C2×C6×D9) = C6×D36 | central stem extension (φ=1) | 144 | | C2.4(C2xC6xD9) | 432,343 |
| C2.5(C2×C6×D9) = C3×D36⋊5C2 | central stem extension (φ=1) | 72 | 2 | C2.5(C2xC6xD9) | 432,344 |
| C2.6(C2×C6×D9) = C3×D4×D9 | central stem extension (φ=1) | 72 | 4 | C2.6(C2xC6xD9) | 432,356 |
| C2.7(C2×C6×D9) = C3×D4⋊2D9 | central stem extension (φ=1) | 72 | 4 | C2.7(C2xC6xD9) | 432,357 |
| C2.8(C2×C6×D9) = C3×Q8×D9 | central stem extension (φ=1) | 144 | 4 | C2.8(C2xC6xD9) | 432,364 |
| C2.9(C2×C6×D9) = C3×Q8⋊3D9 | central stem extension (φ=1) | 144 | 4 | C2.9(C2xC6xD9) | 432,365 |
| C2.10(C2×C6×D9) = C6×C9⋊D4 | central stem extension (φ=1) | 72 | | C2.10(C2xC6xD9) | 432,374 |