Finite Group Databasebeta
Cayley diagram

#131854

order512
nilpotency class4
isoclinismisoclinic class of #12324
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#447
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1786
prime radical#61038C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×#436 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 829 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) = 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)(11,22,25,37,27,34,26,40)(12,28,31,18,33,38,32,39)(16,29,35,23,17,30,36,24);(5,8)(6,7)(9,11)(10,16)(12,29)(13,26)(14,25)(15,27)(17,21)(18,37)(19,36)(20,35)(22,38)(23,32)(24,31)(28,34)(30,33)(39,40);(1,3)(2,4)(5,6)(7,8)(9,11)(10,17)(12,30)(13,26)(14,25)(15,27)(16,21)(18,37)(19,35)(20,36)(22,38)(23,31)(24,32)(28,34)(29,33)(39,40)

Polycyclic presentation:

2^9|a^2=f,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=eg,f^b=fghi,g^b=gi,h^b=hi,d^c=dg,e^c=egi,f^c=fi,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, 39050);