Extensions 1→N→G→Q→1 with N=C₂ and Q=D₇²

Direct product G=NxQ with N=C₂ and Q=D₇²

		d	ρ	Label	ID
C₂xD₇²		28	4+	C2xD7^2	392,41

Non-split extensions G=N.Q with N=C₂ and Q=D₇²

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁D₇² = D₇xDic₇	central extension (φ=1)	56	4-	C2.1D7^2	392,18
C₂.₂D₇² = Dic₇:₂D₇	central extension (φ=1)	28	4+	C2.2D7^2	392,19
C₂.₃D₇² = C₇²:₂D₄	central stem extension (φ=1)	56	4-	C2.3D7^2	392,20
C₂.₄D₇² = C₇:D₂₈	central stem extension (φ=1)	28	4+	C2.4D7^2	392,21
C₂.₅D₇² = C₇²:₂Q₈	central stem extension (φ=1)	56	4-	C2.5D7^2	392,22

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