| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(D4×D9) = C22⋊C4×D9 | central extension (φ=1) | 72 | | C2.1(D4xD9) | 288,90 |
| C2.2(D4×D9) = Dic9⋊4D4 | central extension (φ=1) | 144 | | C2.2(D4xD9) | 288,91 |
| C2.3(D4×D9) = C4⋊C4×D9 | central extension (φ=1) | 144 | | C2.3(D4xD9) | 288,101 |
| C2.4(D4×D9) = D36⋊C4 | central extension (φ=1) | 144 | | C2.4(D4xD9) | 288,103 |
| C2.5(D4×D9) = D4×Dic9 | central extension (φ=1) | 144 | | C2.5(D4xD9) | 288,144 |
| C2.6(D4×D9) = C22⋊2Dic18 | central stem extension (φ=1) | 144 | | C2.6(D4xD9) | 288,88 |
| C2.7(D4×D9) = C22⋊3D36 | central stem extension (φ=1) | 72 | | C2.7(D4xD9) | 288,92 |
| C2.8(D4×D9) = C23.9D18 | central stem extension (φ=1) | 144 | | C2.8(D4xD9) | 288,93 |
| C2.9(D4×D9) = D18⋊D4 | central stem extension (φ=1) | 144 | | C2.9(D4xD9) | 288,94 |
| C2.10(D4×D9) = Dic9.D4 | central stem extension (φ=1) | 144 | | C2.10(D4xD9) | 288,95 |
| C2.11(D4×D9) = C36⋊Q8 | central stem extension (φ=1) | 288 | | C2.11(D4xD9) | 288,98 |
| C2.12(D4×D9) = D18.D4 | central stem extension (φ=1) | 144 | | C2.12(D4xD9) | 288,104 |
| C2.13(D4×D9) = C4⋊D36 | central stem extension (φ=1) | 144 | | C2.13(D4xD9) | 288,105 |
| C2.14(D4×D9) = D18⋊Q8 | central stem extension (φ=1) | 144 | | C2.14(D4xD9) | 288,106 |
| C2.15(D4×D9) = D8×D9 | central stem extension (φ=1) | 72 | 4+ | C2.15(D4xD9) | 288,120 |
| C2.16(D4×D9) = D8⋊D9 | central stem extension (φ=1) | 72 | 4 | C2.16(D4xD9) | 288,121 |
| C2.17(D4×D9) = D8⋊3D9 | central stem extension (φ=1) | 144 | 4- | C2.17(D4xD9) | 288,122 |
| C2.18(D4×D9) = SD16×D9 | central stem extension (φ=1) | 72 | 4 | C2.18(D4xD9) | 288,123 |
| C2.19(D4×D9) = D72⋊C2 | central stem extension (φ=1) | 72 | 4+ | C2.19(D4xD9) | 288,124 |
| C2.20(D4×D9) = SD16⋊D9 | central stem extension (φ=1) | 144 | 4- | C2.20(D4xD9) | 288,125 |
| C2.21(D4×D9) = SD16⋊3D9 | central stem extension (φ=1) | 144 | 4 | C2.21(D4xD9) | 288,126 |
| C2.22(D4×D9) = Q16×D9 | central stem extension (φ=1) | 144 | 4- | C2.22(D4xD9) | 288,127 |
| C2.23(D4×D9) = Q16⋊D9 | central stem extension (φ=1) | 144 | 4 | C2.23(D4xD9) | 288,128 |
| C2.24(D4×D9) = D72⋊5C2 | central stem extension (φ=1) | 144 | 4+ | C2.24(D4xD9) | 288,129 |
| C2.25(D4×D9) = C23⋊2D18 | central stem extension (φ=1) | 72 | | C2.25(D4xD9) | 288,147 |
| C2.26(D4×D9) = C36⋊2D4 | central stem extension (φ=1) | 144 | | C2.26(D4xD9) | 288,148 |
| C2.27(D4×D9) = Dic9⋊D4 | central stem extension (φ=1) | 144 | | C2.27(D4xD9) | 288,149 |
| C2.28(D4×D9) = C36⋊D4 | central stem extension (φ=1) | 144 | | C2.28(D4xD9) | 288,150 |