D₇×C₂₃ #66304

order	322
isoclinism	isoclinic class of D₇
automorphism	Aut(G) = C₂×C₁₁×AGL(1,𝔽₇) (order 924) · Inn(G) = D₇ · Out(G) = C₂×C₃×C₁₁
homology	Abelianization (H₁) = C₂×C₂₃ · Schur multiplier (H₂) = C₁

Aliases

direct product	D₇×C₂₃
unambiguous semidirect product	C₇⋊(C₂×C₂₃)

Fitting, socle, Hall	C₇×C₂₃ ⋊ C₂
derived, Sylow	C₇ ⋊ C₂×C₂₃

	subgroup	G/H
center, hypercenter	C₂₃	D₇
commutator, cosocle, hypocenter	C₇	C₂×C₂₃
Frattini	C₁	G
Fitting, socle	C₇×C₂₃	C₂
LCS	G ▷ C₇
UCS	C₁ ◁ C₂₃

8 conjugacy classes of subgroups.

minimal degree	μ(G) = 30
transitive degree	μ_t(G) = 161

A minimal faithful permutation representation — 2 generators on 30 points:

(2,3)(4,5)(6,7)(8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30);(1,2,4,6,7,5,3)

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(322, 1);