Finite Group Databasebeta
Cayley diagram

#138650

order512
nilpotency class4
isoclinismisoclinic class of #138552
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1893
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#19189C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2931 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

377 conjugacy classes of subgroups; only the 96 normal subgroups are shown.

normal subgroups only

This group has 377 conjugacy classes of subgroups — too many to draw. Only its 96 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfgh,d^2=ghi,e^2=hi,f^2=hi,g^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=ei,g^a=gi,d^b=dh,e^b=eh,f^b=fh,d^c=dh,e^c=ehi,f^c=fh

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45846);