Extensions 1→N→G→Q→1 with N=C₂ and Q=C₅×D₅

Direct product G=N×Q with N=C₂ and Q=C₅×D₅

		d	ρ	Label	ID
D₅×C₁₀		20	2	D5xC10	100,14

Non-split extensions G=N.Q with N=C₂ and Q=C₅×D₅

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.(C₅×D₅) = C₅×Dic₅	central extension (φ=1)	20	2	C2.(C5xD5)	100,6

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Extensions 1→N→G→Q→1 with N=C2 and Q=C5×D5