Finite Group Databasebeta
Cayley diagram

#131868

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 radicalC2×#3283C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×C8×D4 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

832 conjugacy classes of subgroups; only the 116 normal subgroups are shown.

normal subgroups only

This group has 832 conjugacy classes of subgroups — too many to draw. Only its 116 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)(9,10,13,19,15,21,14,20)(11,22,24,36,26,38,25,37)(12,27,30,18,31,17,29,35)(16,28,32,23,34,39,33,40);(5,8)(6,7)(9,11,15,26)(10,16,21,34)(12,28,31,39)(13,25,14,24)(17,22,27,38)(18,36,35,37)(19,33,20,32)(23,30,40,29);(1,3)(2,4)(5,6)(7,8)(10,17)(12,29)(13,14)(16,22)(18,19)(20,35)(21,27)(23,28)(24,25)(30,31)(32,37)(33,36)(34,38)(39,40)

Polycyclic presentation:

2^9|a^2=f,b^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#72309410, #72309423, #72309426, …
maximal normal subgroup of#72309410, #72309423, #72309426, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 39064);