| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|
| C2.1(C22xD8) = C22xD4:C4 | central extension (φ=1) | 64 | | C2.1(C2^2xD8) | 128,1622 |
| C2.2(C22xD8) = C22xC2.D8 | central extension (φ=1) | 128 | | C2.2(C2^2xD8) | 128,1640 |
| C2.3(C22xD8) = C2xC4xD8 | central extension (φ=1) | 64 | | C2.3(C2^2xD8) | 128,1668 |
| C2.4(C22xD8) = C2xC22:D8 | central stem extension (φ=1) | 32 | | C2.4(C2^2xD8) | 128,1728 |
| C2.5(C22xD8) = C2xC4:D8 | central stem extension (φ=1) | 64 | | C2.5(C2^2xD8) | 128,1761 |
| C2.6(C22xD8) = C2xC8:7D4 | central stem extension (φ=1) | 64 | | C2.6(C2^2xD8) | 128,1780 |
| C2.7(C22xD8) = C2xD4:Q8 | central stem extension (φ=1) | 64 | | C2.7(C2^2xD8) | 128,1802 |
| C2.8(C22xD8) = C2xC22.D8 | central stem extension (φ=1) | 64 | | C2.8(C2^2xD8) | 128,1817 |
| C2.9(C22xD8) = C42.221D4 | central stem extension (φ=1) | 32 | | C2.9(C2^2xD8) | 128,1832 |
| C2.10(C22xD8) = C2xC4.4D8 | central stem extension (φ=1) | 64 | | C2.10(C2^2xD8) | 128,1860 |
| C2.11(C22xD8) = C2xC8:4D4 | central stem extension (φ=1) | 64 | | C2.11(C2^2xD8) | 128,1876 |
| C2.12(C22xD8) = C2xC8:2Q8 | central stem extension (φ=1) | 128 | | C2.12(C2^2xD8) | 128,1891 |
| C2.13(C22xD8) = C42.366D4 | central stem extension (φ=1) | 64 | | C2.13(C2^2xD8) | 128,1901 |
| C2.14(C22xD8) = C23:3D8 | central stem extension (φ=1) | 32 | | C2.14(C2^2xD8) | 128,1918 |
| C2.15(C22xD8) = C42.263D4 | central stem extension (φ=1) | 32 | | C2.15(C2^2xD8) | 128,1937 |
| C2.16(C22xD8) = C42.278D4 | central stem extension (φ=1) | 64 | | C2.16(C2^2xD8) | 128,1958 |
| C2.17(C22xD8) = C42.293D4 | central stem extension (φ=1) | 64 | | C2.17(C2^2xD8) | 128,1977 |
| C2.18(C22xD8) = D4xD8 | central stem extension (φ=1) | 32 | | C2.18(C2^2xD8) | 128,2011 |
| C2.19(C22xD8) = D4:4D8 | central stem extension (φ=1) | 32 | | C2.19(C2^2xD8) | 128,2026 |
| C2.20(C22xD8) = D4:5D8 | central stem extension (φ=1) | 64 | | C2.20(C2^2xD8) | 128,2066 |
| C2.21(C22xD8) = Q8:4D8 | central stem extension (φ=1) | 64 | | C2.21(C2^2xD8) | 128,2090 |
| C2.22(C22xD8) = Q8xD8 | central stem extension (φ=1) | 64 | | C2.22(C2^2xD8) | 128,2110 |
| C2.23(C22xD8) = Q8:5D8 | central stem extension (φ=1) | 64 | | C2.23(C2^2xD8) | 128,2123 |
| C2.24(C22xD8) = C22xD16 | central stem extension (φ=1) | 64 | | C2.24(C2^2xD8) | 128,2140 |
| C2.25(C22xD8) = C22xSD32 | central stem extension (φ=1) | 64 | | C2.25(C2^2xD8) | 128,2141 |
| C2.26(C22xD8) = C22xQ32 | central stem extension (φ=1) | 128 | | C2.26(C2^2xD8) | 128,2142 |
| C2.27(C22xD8) = C2xC4oD16 | central stem extension (φ=1) | 64 | | C2.27(C2^2xD8) | 128,2143 |
| C2.28(C22xD8) = C2xC16:C22 | central stem extension (φ=1) | 32 | | C2.28(C2^2xD8) | 128,2144 |
| C2.29(C22xD8) = C2xQ32:C2 | central stem extension (φ=1) | 64 | | C2.29(C2^2xD8) | 128,2145 |
| C2.30(C22xD8) = D16:C22 | central stem extension (φ=1) | 32 | 4 | C2.30(C2^2xD8) | 128,2146 |
| C2.31(C22xD8) = D4oD16 | central stem extension (φ=1) | 32 | 4+ | C2.31(C2^2xD8) | 128,2147 |
| C2.32(C22xD8) = D4oSD32 | central stem extension (φ=1) | 32 | 4 | C2.32(C2^2xD8) | 128,2148 |
| C2.33(C22xD8) = Q8oD16 | central stem extension (φ=1) | 64 | 4- | C2.33(C2^2xD8) | 128,2149 |