C₂×#1136 #6484

order	224
isoclinism	isoclinic class of Dic₁₄
automorphism	Aut(G) = C₂×AGL(1,𝔽₇)×B(4,𝔽₂) (order 5376) · Inn(G) = C₂×D₇ · Out(G) = C₂×C₃×#120
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂²

Aliases

C₇ ⋊ C₂×M₁₆

68 conjugacy classes of subgroups.

minimal degree	μ(G) = 17
transitive degree	μ_t(G) = 112

A minimal faithful permutation representation — 3 generators on 17 points:

(1,2)(3,4,6,8,9,7,5)(11,14)(15,17);(4,5)(6,7)(8,9)(10,11,12,15,13,14,16,17);(1,2)

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 116);