Finite Group Databasebeta
Cayley diagram

#481581

order512
nilpotency class4
isoclinismisoclinic class of #1347
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC42#102
commutatorC2×C8C23×C4
Frattini, cosocleC22×C8C24
socleC22C22×#102
prime radical#60673C2
LCSG ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C42 ◁ C22×C42 ◁ C22×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1

841 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

2^9|a^2=f,c^2=gh,d^2=i,e^2=hi,f^2=i,g^2=i,h^2=i,b^a=be,e^a=eg,g^a=gi,h^a=hi,e^b=eh,f^b=fghi,g^b=gi,h^b=hi

Conjugacy classes & character table

116 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 388777);