#24927

order	256
nilpotency class	3
isoclinism	isoclinic class of #23886
automorphism	Aut(G) order 4096
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	D₄²
commutator, Frattini, cosocle	C₂²×C₄	C₂⁴
prime radical	#3013	C₂
LCS	G ▷ C₂²×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂²×C₄ ◁ G
LECS	G ▷ C₂²×C₄ ▷ C₂ ▷ C₁

431 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 64

A minimal faithful permutation representation — 4 generators on 40 points:

(1,2)(3,5)(4,6)(7,8)(9,10)(11,16)(12,24)(13,15)(14,19)(17,25)(18,28)(20,31)(21,36)(22,29)(23,32)(26,33)(27,34)(30,35)(37,39)(38,40);(1,3,4,7)(2,5,6,8)(10,15)(11,20)(13,28)(17,24)(18,19)(21,35)(22,23)(25,26)(29,31)(33,34)(36,39)(37,38);(2,6)(5,8)(9,11,14,23)(10,16,19,32)(12,21,27,37)(13,22,28,20)(15,29,18,31)(17,30,33,40)(24,36,34,39)(25,35,26,38);(9,12)(10,17)(11,21)(13,26)(14,27)(15,24)(16,30)(18,34)(19,33)(20,35)(22,38)(23,37)(25,28)(29,36)(31,39)(32,40)

Polycyclic presentation:

2^8|b^2=f,c^2=h,e^2=h,g^2=h,b^a=be,c^a=cf,d^a=de,e^a=eh,c^b=cg,e^b=eh,g^b=gh,g^c=gh,e^d=eh

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	C₂×#24927, #6438378, #6438379, …
maximal normal subgroup of	C₂×#24927, #6438378, #6438379, …
maximal quotient of	#279823, #279826, #279827, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 17915);