Finite Group Databasebeta
Cayley diagram

#263407

order512
nilpotency class3
isoclinismisoclinic class of #263403
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#3147C22
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

864 conjugacy classes of subgroups; only the 144 normal subgroups are shown.

normal subgroups only

This group has 864 conjugacy classes of subgroups — too many to draw. Only its 144 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 — 4 generators on 40 points:

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

Polycyclic presentation:

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

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, 170603);