Extensions 1→N→G→Q→1 with N=C₂² and Q=C₅×D₅

Direct product G=N×Q with N=C₂² and Q=C₅×D₅

		d	ρ	Label	ID
D₅×C₂×C₁₀		40		D5xC2xC10	200,50

Semidirect products G=N:Q with N=C₂² and Q=C₅×D₅

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂²⋊(C₅×D₅) = C₅×C₅⋊D₄	φ: C₅×D₅/C₅² → C₂ ⊆ Aut C₂²	20	2	C2^2:(C5xD5)	200,31

Non-split extensions G=N.Q with N=C₂² and Q=C₅×D₅

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂².(C₅×D₅) = C₁₀×Dic₅	central extension (φ=1)	40		C2^2.(C5xD5)	200,30

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Extensions 1→N→G→Q→1 with N=C22 and Q=C5×D5