Finite Group Databasebeta
Cayley diagram

#244156

order512
nilpotency class3
isoclinismisoclinic class of #232755
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#127
commutator, Frattini, cosocleC2×C42C24
socleC22#2397
prime radical#10032C2
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

681 conjugacy classes of subgroups; only the 142 normal subgroups are shown.

normal subgroups only

This group has 681 conjugacy classes of subgroups — too many to draw. Only its 142 normal subgroups are shown.

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

Full subgroup data →

Presentation

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

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

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

Polycyclic presentation:

2^9|a^2=e,c^2=h,d^2=ef,e^2=h,f^2=i,b^a=be,c^a=cf,d^a=dh,g^a=ghi,c^b=cg,d^b=dh,e^b=eh,f^b=fh,d^c=dh,e^c=ei,f^c=fi

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 151352);