Finite Group Databasebeta
Cayley diagram

#263295

order512
nilpotency class3
isoclinismisoclinic class of #263291
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2408
commutator, Frattini, cosocleC2×C42C24
prime radical#2397C22
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

924 conjugacy classes of subgroups; only the 146 normal subgroups are shown.

normal subgroups only

This group has 924 conjugacy classes of subgroups — too many to draw. Only its 146 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:

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

Polycyclic presentation:

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

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, 170491);