Finite Group Databasebeta
Cayley diagram

#124443

order512
nilpotency class4
isoclinismisoclinic class of #11867
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1519
commutatorC2×C8C22×C8
Frattini, cosocleC2×#97C23
prime radicalC24#102
LCSG ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#405 ◁ G
LECSG ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1

370 conjugacy classes of subgroups; only the 94 normal subgroups are shown.

normal subgroups only

This group has 370 conjugacy classes of subgroups — too many to draw. Only its 94 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)(9,10,14,20,16,21,32,40,15,22,13,19,29,38,30,33)(11,23,24,39,25,37,28,17,12,18,26,34,27,36,31,35);(1,2)(3,6)(4,8)(5,7)(9,11,15,12)(10,17,22,35)(13,28,14,31)(16,27,29,25)(18,33,23,40)(19,37,20,36)(21,39,38,34)(24,32,26,30);(1,3,5,4)(2,6,7,8)(9,12,15,11)(10,18,22,23)(13,26,14,24)(16,27,29,25)(17,33,35,40)(19,34,20,39)(21,36,38,37)(28,30,31,32)

Polycyclic presentation:

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 31639);