Extensions 1→N→G→Q→1 with N=C₂₁ and Q=C₁₆

Direct product G=N×Q with N=C₂₁ and Q=C₁₆

		d	ρ	Label	ID
C₃₃₆		336	1	C336	336,6

Semidirect products G=N:Q with N=C₂₁ and Q=C₁₆

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₁⋊₁C₁₆ = C₂₁⋊C₁₆	φ: C₁₆/C₈ → C₂ ⊆ Aut C₂₁	336	2	C21:1C16	336,5
C₂₁⋊₂C₁₆ = C₃×C₇⋊C₁₆	φ: C₁₆/C₈ → C₂ ⊆ Aut C₂₁	336	2	C21:2C16	336,4
C₂₁⋊₃C₁₆ = C₇×C₃⋊C₁₆	φ: C₁₆/C₈ → C₂ ⊆ Aut C₂₁	336	2	C21:3C16	336,3

׿

×

⋊

ℤ

𝔽

○

≀

ℚ

◁