Extensions 1→N→G→Q→1 with N=C₂ and Q=He₃:₄D₄

Direct product G=NxQ with N=C₂ and Q=He₃:₄D₄

		d	ρ	Label	ID
C₂xHe₃:₄D₄		72		C2xHe3:4D4	432,350

Non-split extensions G=N.Q with N=C₂ and Q=He₃:₄D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(He₃:₄D₄) = C₆².₂₀D₆	central extension (φ=1)	144		C2.1(He3:4D4)	432,140
C₂.₂(He₃:₄D₄) = C₆².₂₁D₆	central extension (φ=1)	72		C2.2(He3:4D4)	432,141
C₂.₃(He₃:₄D₄) = He₃:₄Q₁₆	central stem extension (φ=1)	144	6-	C2.3(He3:4D4)	432,114
C₂.₄(He₃:₄D₄) = He₃:₆SD₁₆	central stem extension (φ=1)	72	6	C2.4(He3:4D4)	432,117
C₂.₅(He₃:₄D₄) = He₃:₄D₈	central stem extension (φ=1)	72	6+	C2.5(He3:4D4)	432,118

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