#58497

order	256
nilpotency class	2
isoclinism	isoclinic class of #53390
automorphism	Aut(G) = C₂¹⁵ (order 32768) · Inn(G) = C₂⁵ · Out(G) = C₂¹⁰
homology	Abelianization (H₁) = C₂⁵ · Schur multiplier (H₂) = C₂⁷

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, commutator, Frattini, socle, cosocle	C₂³	C₂⁵
prime radical	C₂²×D₄	C₂³
LCS	G ▷ C₂³ ▷ C₁
UCS	C₁ ◁ C₂³ ◁ G
LECS	G ▷ C₂³ ▷ C₁

687 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 128

A minimal faithful permutation representation — 5 generators on 40 points:

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

Polycyclic presentation:

2^8|a^2=h,b^2=fgh,c^2=g,d^2=fh,e^2=g,b^a=bf,c^a=cg,d^a=dg,e^a=ef,c^b=ch,d^b=df,e^b=egh,d^c=dgh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	C₂×#58497, #8104385, #8104433, …
maximal normal subgroup of	C₂×#58497, #8104385, #8104433, …
maximal quotient of	#585590, #586493, #586676, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 51485);