Finite Group Databasebeta
Cayley diagram

#118689

order512
nilpotency class3
isoclinismisoclinic class of #2048
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#394
commutatorC22×C4C22×C8
Frattini, cosocleC22×C42C23
socleC22#1440
prime radicalC24C4×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C42 ▷ C22 ▷ C1

689 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=g,b^2=h,c^2=d,e^2=h,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=dh,e^a=eh,f^a=fh,c^b=cf,e^b=eh,f^b=fh,g^b=gh,f^c=fh

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 25885);