Extensions 1→N→G→Q→1 with N=C₉ and Q=C₂×D₄

Direct product G=N×Q with N=C₉ and Q=C₂×D₄

		d	ρ	Label	ID
D₄×C₁₈		72		D4xC18	144,48

Semidirect products G=N:Q with N=C₉ and Q=C₂×D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₉⋊₁(C₂×D₄) = C₂×D₃₆	φ: C₂×D₄/C₂×C₄ → C₂ ⊆ Aut C₉	72		C9:1(C2xD4)	144,39
C₉⋊₂(C₂×D₄) = D₄×D₉	φ: C₂×D₄/D₄ → C₂ ⊆ Aut C₉	36	4+	C9:2(C2xD4)	144,41
C₉⋊₃(C₂×D₄) = C₂×C₉⋊D₄	φ: C₂×D₄/C₂³ → C₂ ⊆ Aut C₉	72		C9:3(C2xD4)	144,46

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