Extensions 1→N→G→Q→1 with N=C4 and Q=Dic15

Direct product G=N×Q with N=C4 and Q=Dic15
dρLabelID
C4×Dic15240C4xDic15240,72

Semidirect products G=N:Q with N=C4 and Q=Dic15
extensionφ:Q→Aut NdρLabelID
C4⋊Dic15 = C605C4φ: Dic15/C30C2 ⊆ Aut C4240C4:Dic15240,74

Non-split extensions G=N.Q with N=C4 and Q=Dic15
extensionφ:Q→Aut NdρLabelID
C4.Dic15 = C60.7C4φ: Dic15/C30C2 ⊆ Aut C41202C4.Dic15240,71
C4.2Dic15 = C153C16central extension (φ=1)2402C4.2Dic15240,3
C4.3Dic15 = C2×C153C8central extension (φ=1)240C4.3Dic15240,70

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