C₅⋊S₄ #1228

order	120
isoclinism	isoclinic class of C₅⋊S₄
automorphism	Aut(G) = AGL(1,𝔽₅)×S₄ (order 480) · Inn(G) = G · Out(G) = C₄
homology	Abelianization (H₁) = C₂ · Schur multiplier (H₂) = C₂

Aliases

unambiguous semidirect product	C₅⋊S₄
unambiguous semidirect product	A₄⋊D₅

	subgroup	G/H
center, Frattini, hypercenter	C₁	G
commutator, cosocle, hypocenter	C₅×A₄	C₂
Fitting, socle	C₂²×C₅	D₃
LCS	G ▷ C₅×A₄
UCS	C₁

22 conjugacy classes of subgroups.

minimal degree	μ(G) = 9
transitive degree	μ_t(G) = 20

A minimal faithful permutation representation — 2 generators on 9 points:

(1,2,4,3)(6,7)(8,9);(2,3,4)(5,6,8,9,7)

Polycyclic presentation:

2,3,5,2^2|b^a=b^2,c^a=c^4,d^a=e,e^a=d,d^b=e,e^b=de

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(120, 38);