Extensions 1→N→G→Q→1 with N=C₂₁ and Q=C₈

Direct product G=N×Q with N=C₂₁ and Q=C₈

		d	ρ	Label	ID
C₁₆₈		168	1	C168	168,6

Semidirect products G=N:Q with N=C₂₁ and Q=C₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₁⋊₁C₈ = C₂₁⋊C₈	φ: C₈/C₄ → C₂ ⊆ Aut C₂₁	168	2	C21:1C8	168,5
C₂₁⋊₂C₈ = C₃×C₇⋊C₈	φ: C₈/C₄ → C₂ ⊆ Aut C₂₁	168	2	C21:2C8	168,4
C₂₁⋊₃C₈ = C₇×C₃⋊C₈	φ: C₈/C₄ → C₂ ⊆ Aut C₂₁	168	2	C21:3C8	168,3

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