Finite Group Databasebeta
Cayley diagram

#345665

order512
nilpotency class3
isoclinismisoclinic class of #333407
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23D42
commutator, Frattini, cosocleC2×C42C24
prime radicalC2×#493C22
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

610 conjugacy classes of subgroups; only the 142 normal subgroups are shown.

normal subgroups only

This group has 610 conjugacy classes of subgroups — too many to draw. Only its 142 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) = 256

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

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

Polycyclic presentation:

2^9|a^2=ef,b^2=eh,d^2=ei,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=defhi,c^b=cg,d^b=de,g^b=gi,f^c=fh,g^c=gi,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, 252861);