Extensions 1→N→G→Q→1 with N=C₂ and Q=C₅xC₅:D₄

Direct product G=NxQ with N=C₂ and Q=C₅xC₅:D₄

		d	ρ	Label	ID
C₁₀xC₅:D₄		40		C10xC5:D4	400,190

Non-split extensions G=N.Q with N=C₂ and Q=C₅xC₅:D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₅xC₅:D₄) = C₅xC₁₀.D₄	central extension (φ=1)	80		C2.1(C5xC5:D4)	400,84
C₂.₂(C₅xC₅:D₄) = C₅xD₁₀:C₄	central extension (φ=1)	80		C2.2(C5xC5:D4)	400,86
C₂.₃(C₅xC₅:D₄) = C₅xC₂³.D₅	central extension (φ=1)	40		C2.3(C5xC5:D4)	400,91
C₂.₄(C₅xC₅:D₄) = C₅xD₄:D₅	central stem extension (φ=1)	40	4	C2.4(C5xC5:D4)	400,87
C₂.₅(C₅xC₅:D₄) = C₅xD₄.D₅	central stem extension (φ=1)	40	4	C2.5(C5xC5:D4)	400,88
C₂.₆(C₅xC₅:D₄) = C₅xQ₈:D₅	central stem extension (φ=1)	80	4	C2.6(C5xC5:D4)	400,89
C₂.₇(C₅xC₅:D₄) = C₅xC₅:Q₁₆	central stem extension (φ=1)	80	4	C2.7(C5xC5:D4)	400,90

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