#57796

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	#392	C₂²
LCS	G ▷ C₂³ ▷ C₁
UCS	C₁ ◁ C₂³ ◁ G
LECS	G ▷ C₂³ ▷ C₁

665 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 48
transitive degree	μ_t(G) = 128

A minimal faithful permutation representation — 5 generators on 48 points:

(1,2,5,8)(3,9,11,6)(4,7,12,14)(10,15,16,13)(17,18,22,23)(19,20,24,27)(21,29,30,25)(26,32,31,28)(33,34)(35,38)(36,44)(37,40)(39,45)(41,43)(42,47)(46,48);(4,12)(7,14)(10,16)(13,15)(18,23)(20,27)(25,29)(28,32)(33,34,37,40)(35,41,43,38)(36,44,45,39)(42,46,48,47);(1,3,5,11)(2,6,8,9)(4,10,12,16)(7,13,14,15)(17,19,22,24)(18,20,23,27)(21,26,30,31)(25,28,29,32)(33,34)(35,41)(36,39)(37,40)(38,43)(42,47)(44,45)(46,48);(1,2)(3,9)(4,7)(5,8)(6,11)(10,15)(12,14)(13,16)(17,20)(18,24)(19,23)(21,28)(22,27)(25,31)(26,29)(30,32)(33,35)(34,38)(36,42)(37,43)(39,46)(40,41)(44,47)(45,48);(1,4,5,12)(2,7,8,14)(3,10,11,16)(6,13,9,15)(17,21)(18,25)(19,26)(20,28)(22,30)(23,29)(24,31)(27,32)(33,36)(34,39)(35,42)(37,45)(38,46)(40,44)(41,47)(43,48)

Polycyclic presentation:

2^8|a^2=fgh,b^2=h,c^2=fgh,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×#57796, #8101833, #8101967, …
maximal normal subgroup of	C₂×#57796, #8101833, #8101967, …
maximal quotient of	#586334, #587136, #587302, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 50784);