Extensions 1→N→G→Q→1 with N=C2 and Q=C2×Dic15

Direct product G=N×Q with N=C2 and Q=C2×Dic15
dρLabelID
C22×Dic15240C2^2xDic15240,183


Non-split extensions G=N.Q with N=C2 and Q=C2×Dic15
extensionφ:Q→Aut NdρLabelID
C2.1(C2×Dic15) = C2×C153C8central extension (φ=1)240C2.1(C2xDic15)240,70
C2.2(C2×Dic15) = C4×Dic15central extension (φ=1)240C2.2(C2xDic15)240,72
C2.3(C2×Dic15) = C60.7C4central stem extension (φ=1)1202C2.3(C2xDic15)240,71
C2.4(C2×Dic15) = C605C4central stem extension (φ=1)240C2.4(C2xDic15)240,74
C2.5(C2×Dic15) = C30.38D4central stem extension (φ=1)120C2.5(C2xDic15)240,80

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