Finite Group Databasebeta
Cayley diagram

#144038

order512
nilpotency class4
isoclinismisoclinic class of #143959
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2011
commutator, Frattini, cosocleC2×C4×C8C23
prime radicalC22×D8D4
LCSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1450 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

399 conjugacy classes of subgroups; only the 84 normal subgroups are shown.

normal subgroups only

This group has 399 conjugacy classes of subgroups — too many to draw. Only its 84 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:

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

Polycyclic presentation:

2^9|a^2=h,c^2=i,d^2=gi,e^2=h,f^2=gi,g^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fgi,g^a=gi,c^b=cf,d^b=dg,f^b=fg,g^b=gi,d^c=dg,e^c=eh,f^c=fg,g^c=gi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 51234);