Finite Group Databasebeta
Cayley diagram

#251676

order512
nilpotency class3
isoclinismisoclinic class of #251671
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2404
commutator, Frattini, cosocleC2×C42C24
prime radical#3455C22
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

875 conjugacy classes of subgroups; only the 140 normal subgroups are shown.

normal subgroups only

This group has 875 conjugacy classes of subgroups — too many to draw. Only its 140 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) = 64

A minimal faithful permutation representation — 4 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=h,b^2=e,d^2=i,f^2=i,g^2=h,b^a=be,c^a=cf,d^a=de,f^a=fi,g^a=gh,c^b=cg,e^c=eh,f^c=fi,g^c=gh,f^d=fh

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, 158872);