Finite Group Databasebeta
Cayley diagram

#100815

order512
nilpotency class3
isoclinismisoclinic class of #100715
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23#386
commutatorC2×C42C22×C4
Frattini, cosocleC22×C42C23
prime radicalC22×#41D4
LCSG ▷ C2×C42 ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C42 ▷ C23 ▷ C1

455 conjugacy classes of subgroups; only the 76 normal subgroups are shown.

normal subgroups only

This group has 455 conjugacy classes of subgroups — too many to draw. Only its 76 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) = 256

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=df,d^2=gh,e^2=hi,f^2=gi,b^a=bd,c^a=ce,d^a=dg,e^a=eh,d^b=dh,e^b=ei,f^b=fh,d^c=di,e^c=ehi,f^c=fi

Conjugacy classes & character table

59 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 8011);