Extensions 1→N→G→Q→1 with N=C₂ and Q=He₃:₇D₄

Direct product G=NxQ with N=C₂ and Q=He₃:₇D₄

		d	ρ	Label	ID
C₂xHe₃:₇D₄		72		C2xHe3:7D4	432,399

Non-split extensions G=N.Q with N=C₂ and Q=He₃:₇D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(He₃:₇D₄) = C₆².₂₉D₆	central extension (φ=1)	144		C2.1(He3:7D4)	432,187
C₂.₂(He₃:₇D₄) = C₆².₃₁D₆	central extension (φ=1)	72		C2.2(He3:7D4)	432,189
C₂.₃(He₃:₇D₄) = C₆²:₄Dic₃	central extension (φ=1)	72		C2.3(He3:7D4)	432,199
C₂.₄(He₃:₇D₄) = He₃:₇D₈	central stem extension (φ=1)	72	6	C2.4(He3:7D4)	432,192
C₂.₅(He₃:₇D₄) = He₃:₉SD₁₆	central stem extension (φ=1)	72	6	C2.5(He3:7D4)	432,193
C₂.₆(He₃:₇D₄) = He₃:₁₁SD₁₆	central stem extension (φ=1)	72	6	C2.6(He3:7D4)	432,196
C₂.₇(He₃:₇D₄) = He₃:₇Q₁₆	central stem extension (φ=1)	144	6	C2.7(He3:7D4)	432,197

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