Extensions 1→N→G→Q→1 with N=C₂₁ and Q=C₂³

Direct product G=NxQ with N=C₂₁ and Q=C₂³

		d	ρ	Label	ID
C₂²xC₄₂		168		C2^2xC42	168,57

Semidirect products G=N:Q with N=C₂₁ and Q=C₂³

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₁:C₂³ = C₂xS₃xD₇	φ: C₂³/C₂ → C₂² ⊆ Aut C₂₁	42	4+	C21:C2^3	168,50
C₂₁:₂C₂³ = C₂²xD₂₁	φ: C₂³/C₂² → C₂ ⊆ Aut C₂₁	84		C21:2C2^3	168,56
C₂₁:₃C₂³ = C₂xC₆xD₇	φ: C₂³/C₂² → C₂ ⊆ Aut C₂₁	84		C21:3C2^3	168,54
C₂₁:₄C₂³ = S₃xC₂xC₁₄	φ: C₂³/C₂² → C₂ ⊆ Aut C₂₁	84		C21:4C2^3	168,55

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