Finite Group Databasebeta
Cayley diagram

#125289

order512
nilpotency class4
isoclinismisoclinic class of #125287
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#327
commutatorC22×C8C22×C4
Frattini, cosocleC2×#97C23
prime radicalC24#102
LCSG ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ C22×#97 ◁ G
LECSG ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1

377 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 377 conjugacy classes of subgroups — too many to draw. Only its 82 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 32485);