Extensions 1→N→G→Q→1 with N=C₂ and Q=D₃₀:₄C₄

Direct product G=NxQ with N=C₂ and Q=D₃₀:₄C₄

		d	ρ	Label	ID
C₂xD₃₀:₄C₄		240		C2xD30:4C4	480,616

Non-split extensions G=N.Q with N=C₂ and Q=D₃₀:₄C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₃₀:₄C₄) = D₃₀:₄C₈	central extension (φ=1)	240		C2.1(D30:4C4)	480,33
C₂.₂(D₃₀:₄C₄) = C₃₀.₂₄C₄²	central extension (φ=1)	480		C2.2(D30:4C4)	480,70
C₂.₃(D₃₀:₄C₄) = C₆₀.₂₉D₄	central stem extension (φ=1)	120	4+	C2.3(D30:4C4)	480,36
C₂.₄(D₃₀:₄C₄) = C₆₀.₃₁D₄	central stem extension (φ=1)	240	4-	C2.4(D30:4C4)	480,39
C₂.₅(D₃₀:₄C₄) = D₆₀:₁₂C₄	central stem extension (φ=1)	240		C2.5(D30:4C4)	480,44
C₂.₆(D₃₀:₄C₄) = D₆₀:₁₅C₄	central stem extension (φ=1)	240		C2.6(D30:4C4)	480,45
C₂.₇(D₃₀:₄C₄) = Dic₃₀:₁₂C₄	central stem extension (φ=1)	480		C2.7(D30:4C4)	480,50
C₂.₈(D₃₀:₄C₄) = Dic₃₀:₁₅C₄	central stem extension (φ=1)	480		C2.8(D30:4C4)	480,51
C₂.₉(D₃₀:₄C₄) = D₆₀:₁₃C₄	central stem extension (φ=1)	120	4	C2.9(D30:4C4)	480,56
C₂.₁₀(D₃₀:₄C₄) = D₆₀:₁₆C₄	central stem extension (φ=1)	120	4	C2.10(D30:4C4)	480,57
C₂.₁₁(D₃₀:₄C₄) = C₁₅:₉(C₂³:C₄)	central stem extension (φ=1)	120	4	C2.11(D30:4C4)	480,73

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