Finite Group Databasebeta
Cayley diagram

#125463

order512
nilpotency class4
isoclinismisoclinic class of #125409
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1530
commutatorC2×C42C22×C4
Frattini, cosocleC2×#97C23
prime radicalC24#100
LCSG ▷ C2×C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#405 ◁ G
LECSG ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 290 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) = 128

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=e,b^2=g,c^2=hi,d^2=gi,e^2=h,f^2=i,h^2=i,b^a=bd,c^a=cg,d^a=df,g^a=gi,c^b=ch,d^b=dg,e^b=efg,f^b=fi,h^b=hi,e^c=ei,e^d=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, 32659);