Extensions 1→N→G→Q→1 with N=C₁₂₁ and Q=C₂²

Direct product G=N×Q with N=C₁₂₁ and Q=C₂²

		d	ρ	Label	ID
C₂×C₂₄₂		484		C2xC242	484,4

Semidirect products G=N:Q with N=C₁₂₁ and Q=C₂²

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₂₁⋊C₂² = D₂₄₂	φ: C₂²/C₂ → C₂ ⊆ Aut C₁₂₁	242	2+	C121:C2^2	484,3

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