Finite Group Databasebeta
Cayley diagram

#135646

order512
nilpotency class3
isoclinismisoclinic class of #8790
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#382
commutatorC42C22×C8
Frattini, cosocleC2×C4×C8C23
socleC22#1831
prime radicalC23#423
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

256 conjugacy classes of subgroups; only the 134 normal subgroups are shown.

normal subgroups only

This group has 256 conjugacy classes of subgroups — too many to draw. Only its 134 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 — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=e,c^2=d,d^2=gi,e^2=g,f^2=h,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=egi,f^b=fi,f^c=fi

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 42842);