Finite Group Databasebeta
Cayley diagram

#138585

order512
nilpotency class4
isoclinismisoclinic class of #138556
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1893
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radicalC22×D4SD16
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×C8×D4 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

360 conjugacy classes of subgroups; only the 100 normal subgroups are shown.

normal subgroups only

This group has 360 conjugacy classes of subgroups — too many to draw. Only its 100 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,d^2=ghi,e^2=hi,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=dg,g^a=gi,d^b=dh,e^b=ehi,f^b=fh,d^c=dhi,e^c=ehi,f^c=fhi

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72309443, #72309457, #72309458, …
maximal normal subgroup of#72309443, #72309457, #72309458, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45781);