Finite Group Databasebeta
Cayley diagram

#331926

order512
nilpotency class3
isoclinismisoclinic class of #331791
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×#555C22
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

664 conjugacy classes of subgroups; only the 138 normal subgroups are shown.

normal subgroups only

This group has 664 conjugacy classes of subgroups — too many to draw. Only its 138 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)(3,7)(4,6)(5,8)(9,10,14,18)(11,15,13,17)(12,20,21,23)(16,22,24,19)(25,26,29,30)(27,33,35,31)(28,32,37,38)(34,36,40,39);(1,3)(2,5)(4,8)(6,7)(9,11,14,13)(10,15,18,17)(12,19,21,22)(16,23,24,20)(25,27,29,35)(26,31,30,33)(28,36,37,39)(32,34,38,40);(9,12,14,21)(10,16,18,24)(11,19,13,22)(15,23,17,20)(25,28,29,37)(26,32,30,38)(27,34,35,40)(31,39,33,36);(2,6)(3,8)(10,17)(11,13)(15,18)(16,20)(19,22)(23,24)(25,26,29,30)(27,33,35,31)(28,32,37,38)(34,36,40,39)

Polycyclic presentation:

2^9|a^2=hi,b^2=hi,c^2=hi,d^2=i,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=defi,f^a=fh,c^b=cg,d^b=deh,g^b=gi,f^c=fh,g^c=gi,f^d=fh

Conjugacy classes & character table

53 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 239122);