Finite Group Databasebeta
Cayley diagram

#138738

order512
nilpotency class4
isoclinismisoclinic class of #138620
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1879
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radicalC2×#135D4
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C4×#97 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

399 conjugacy classes of subgroups; only the 80 normal subgroups are shown.

normal subgroups only

This group has 399 conjugacy classes of subgroups — too many to draw. Only its 80 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfh,d^2=ghi,e^2=hi,f^2=gh,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=ei,d^b=dh,e^b=ehi,f^b=fh,h^b=hi,d^c=dhi,e^c=eh,f^c=fhi,h^c=hi

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72287596, #72287608, #72287621, …
maximal normal subgroup of#72287596, #72287608, #72287621, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45934);