Finite Group Databasebeta
Cayley diagram

#137019

order512
nilpotency class4
isoclinismisoclinic class of #12324
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#447
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1879
prime radicalC2×#135D4
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ #1451 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

331 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 331 conjugacy classes of subgroups — too many to draw. Only its 78 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 44215);