Finite Group Databasebeta
Cayley diagram

#131856

order512
nilpotency class4
isoclinismisoclinic class of #131796
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1786
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#61086C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2931 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

798 conjugacy classes of subgroups; only the 114 normal subgroups are shown.

normal subgroups only

This group has 798 conjugacy classes of subgroups — too many to draw. Only its 114 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) = 256

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,c^2=i,d^2=hi,e^2=gi,f^2=gh,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=egi,g^a=gi,h^a=hi,d^b=dh,e^b=eg,f^b=fghi,g^b=gi,h^b=hi,d^c=dg,e^c=eg,f^c=fi,g^c=gi,h^c=hi

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, 39052);