Extensions 1→N→G→Q→1 with N=C₂ and Q=D₅wrC₂

Direct product G=NxQ with N=C₂ and Q=D₅wrC₂

		d	ρ	Label	ID
C₂xD₅wrC₂		20	4+	C2xD5wrC2	400,211

Non-split extensions G=N.Q with N=C₂ and Q=D₅wrC₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁D₅wrC₂ = D₅²:C₄	central extension (φ=1)	20	4+	C2.1D5wrC2	400,129
C₂.₂D₅wrC₂ = C₂.D₅wrC₂	central extension (φ=1)	20	4	C2.2D5wrC2	400,130
C₂.₃D₅wrC₂ = C₅²:D₈	central stem extension (φ=1)	40	4	C2.3D5wrC2	400,131
C₂.₄D₅wrC₂ = C₅²:SD₁₆	central stem extension (φ=1)	40	4-	C2.4D5wrC2	400,132
C₂.₅D₅wrC₂ = C₅²:Q₁₆	central stem extension (φ=1)	80	4-	C2.5D5wrC2	400,133

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