#498793

order	512
nilpotency class	4
isoclinism	isoclinic class of #498791
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁷

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	C₂²×D₈
commutator, Frattini, cosocle	C₂²×C₈	C₂⁴
prime radical	C₂²×#41	D₄
LCS	G ▷ C₂²×C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂²×#41 ◁ C₂²×#131 ◁ G
LECS	G ▷ C₂²×C₈ ▷ C₄ ▷ C₂ ▷ C₁

1504 conjugacy classes of subgroups; only the 250 normal subgroups are shown.

normal subgroups only

This group has 1504 conjugacy classes of subgroups — too many to draw. Only its 250 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degree	μ(G) = 72
transitive degree	μ_t(G) = 256

A minimal faithful permutation representation — 4 generators on 72 points:

(1,2)(3,4)(9,10,15,20)(11,21,25,49)(12,17,26,40)(13,29,33,47)(14,34,31,19)(16,36,39,23)(18,43,45,32)(22,48,50,70)(24,53,35,44)(27,56,54,69)(28,59,55,42)(30,46,61,38)(37,62,63,51)(41,66,65,58)(52,71,60,67)(57,68,72,64);(5,6)(7,8)(9,11,15,25)(10,16,20,39)(12,22,26,50)(13,30,33,61)(14,35,31,24)(17,37,40,63)(18,44,45,53)(19,46,34,38)(21,47,49,29)(23,43,36,32)(27,57,54,72)(28,60,55,52)(41,67,65,71)(42,68,59,64)(48,69,70,56)(51,66,62,58);(2,4)(6,8)(9,12)(10,17)(11,22)(13,27)(14,28)(15,26)(16,37)(18,41)(19,42)(20,40)(21,48)(23,51)(24,52)(25,50)(29,56)(30,57)(31,55)(32,58)(33,54)(34,59)(35,60)(36,62)(38,64)(39,63)(43,66)(44,67)(45,65)(46,68)(47,69)(49,70)(53,71)(61,72);(12,26)(17,40)(22,50)(27,54)(28,55)(37,63)(41,65)(42,59)(48,70)(51,62)(52,60)(56,69)(57,72)(58,66)(64,68)(67,71)

Polycyclic presentation:

2^9|a^2=i,b^2=i,e^2=hi,h^2=i,b^a=be,c^a=cf,e^a=eh,h^a=hi,c^b=cg,e^b=eh,h^b=hi,d^c=di

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 405989);