Finite Group Databasebeta
Cayley diagram

#125470

order512
nilpotency class4
isoclinismisoclinic class of #125438
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1558
commutatorC2×C42C22×C4
Frattini, cosocleC2×C4×C8C23
prime radicalC24#100
LCSG ▷ C2×C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×M16 ◁ G
LECSG ▷ C2×C4×C8 ▷ C22×C4 ▷ C2 ▷ C1

297 conjugacy classes of subgroups; only the 68 normal subgroups are shown.

normal subgroups only

This group has 297 conjugacy classes of subgroups — too many to draw. Only its 68 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 — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=e,b^2=g,c^2=h,d^2=gi,e^2=h,f^2=i,h^2=i,b^a=bd,c^a=cg,d^a=df,f^a=fi,g^a=gi,c^b=ch,d^b=dg,e^b=efg,f^b=fi,h^b=hi,e^c=ei

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, 32666);