Finite Group Databasebeta
Cayley diagram

#140515

order512
nilpotency class3
isoclinismisoclinic class of #1705
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C8#127
commutatorC42C22×C8
Frattini, cosocleC2×C4×C8C23
socleC22#1954
prime radical#3147C4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 442 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,c^2=e,d^2=g,e^2=i,f^2=h,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=ei

Conjugacy classes & character table

152 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 47711);