Finite Group Databasebeta
Cayley diagram

#330950

order512
nilpotency class3
isoclinismisoclinic class of #330923
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2622
commutator, Frattini, cosocleC2×C42C24
prime radicalC22×#41D4
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

589 conjugacy classes of subgroups; only the 126 normal subgroups are shown.

normal subgroups only

This group has 589 conjugacy classes of subgroups — too many to draw. Only its 126 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 238146);