extension | φ:Q→Aut N | d | ρ | Label | ID |
C2.1(D30⋊3C4) = D30⋊3C8 | central extension (φ=1) | 240 | | C2.1(D30:3C4) | 480,180 |
C2.2(D30⋊3C4) = C30.29C42 | central extension (φ=1) | 480 | | C2.2(D30:3C4) | 480,191 |
C2.3(D30⋊3C4) = D60⋊7C4 | central stem extension (φ=1) | 120 | 2 | C2.3(D30:3C4) | 480,165 |
C2.4(D30⋊3C4) = C23.6D30 | central stem extension (φ=1) | 120 | 4 | C2.4(D30:3C4) | 480,166 |
C2.5(D30⋊3C4) = D60⋊9C4 | central stem extension (φ=1) | 240 | | C2.5(D30:3C4) | 480,169 |
C2.6(D30⋊3C4) = Dic30⋊9C4 | central stem extension (φ=1) | 480 | | C2.6(D30:3C4) | 480,170 |
C2.7(D30⋊3C4) = Dic30⋊8C4 | central stem extension (φ=1) | 480 | | C2.7(D30:3C4) | 480,176 |
C2.8(D30⋊3C4) = D60⋊8C4 | central stem extension (φ=1) | 240 | | C2.8(D30:3C4) | 480,181 |
C2.9(D30⋊3C4) = M4(2)⋊D15 | central stem extension (φ=1) | 120 | 4+ | C2.9(D30:3C4) | 480,183 |
C2.10(D30⋊3C4) = C4.D60 | central stem extension (φ=1) | 240 | 4- | C2.10(D30:3C4) | 480,184 |
C2.11(D30⋊3C4) = D60⋊10C4 | central stem extension (φ=1) | 120 | 4 | C2.11(D30:3C4) | 480,185 |