Extensions 1→N→G→Q→1 with N=C₂₁ and Q=C₂⁴

Direct product G=NxQ with N=C₂₁ and Q=C₂⁴

		d	ρ	Label	ID
C₂³xC₄₂		336		C2^3xC42	336,228

Semidirect products G=N:Q with N=C₂₁ and Q=C₂⁴

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₁:C₂⁴ = C₂²xS₃xD₇	φ: C₂⁴/C₂² → C₂² ⊆ Aut C₂₁	84		C21:C2^4	336,219
C₂₁:₂C₂⁴ = C₂³xD₂₁	φ: C₂⁴/C₂³ → C₂ ⊆ Aut C₂₁	168		C21:2C2^4	336,227
C₂₁:₃C₂⁴ = D₇xC₂²xC₆	φ: C₂⁴/C₂³ → C₂ ⊆ Aut C₂₁	168		C21:3C2^4	336,225
C₂₁:₄C₂⁴ = S₃xC₂²xC₁₄	φ: C₂⁴/C₂³ → C₂ ⊆ Aut C₂₁	168		C21:4C2^4	336,226

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