Finite Group Databasebeta
Cayley diagram

#131869

order512
nilpotency class4
isoclinismisoclinic class of #131812
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 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

816 conjugacy classes of subgroups; only the 120 normal subgroups are shown.

normal subgroups only

This group has 816 conjugacy classes of subgroups — too many to draw. Only its 120 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72309598, #72309623, #72309625, …
maximal normal subgroup of#72309598, #72309623, #72309625, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 39065);