Extensions 1→N→G→Q→1 with N=C₂ and Q=C₇xC₄wrC₂

Direct product G=NxQ with N=C₂ and Q=C₇xC₄wrC₂

		d	ρ	Label	ID
C₁₄xC₄wrC₂		112		C14xC4wrC2	448,828

Non-split extensions G=N.Q with N=C₂ and Q=C₇xC₄wrC₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₇xC₄wrC₂) = C₇xD₄:C₈	central extension (φ=1)	224		C2.1(C7xC4wrC2)	448,129
C₂.₂(C₇xC₄wrC₂) = C₇xQ₈:C₈	central extension (φ=1)	448		C2.2(C7xC4wrC2)	448,130
C₂.₃(C₇xC₄wrC₂) = C₇xC₄²:₆C₄	central extension (φ=1)	112		C2.3(C7xC4wrC2)	448,143
C₂.₄(C₇xC₄wrC₂) = C₇xC₂².SD₁₆	central stem extension (φ=1)	112		C2.4(C7xC4wrC2)	448,131
C₂.₅(C₇xC₄wrC₂) = C₇xC₂³.₃₁D₄	central stem extension (φ=1)	112		C2.5(C7xC4wrC2)	448,132
C₂.₆(C₇xC₄wrC₂) = C₇xC₄².C₂²	central stem extension (φ=1)	224		C2.6(C7xC4wrC2)	448,133
C₂.₇(C₇xC₄wrC₂) = C₇xC₄².₂C₂²	central stem extension (φ=1)	448		C2.7(C7xC4wrC2)	448,134

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