Finite Group Databasebeta
Cayley diagram

#134553

order512
nilpotency class4
isoclinismisoclinic class of #124679
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#410
commutatorC2×C42C22×C4
Frattini, cosocleC2×#117C23
socleC22#1799
prime radicalC24C22⋊Q8
LCSG ▷ C2×C42 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C8 ◁ C2×#405 ◁ G
LECSG ▷ C2×#117 ▷ C23 ▷ C2 ▷ C1

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

normal subgroups only

This group has 382 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dgh,c^2=g,d^2=i,e^2=hi,f^2=i,b^a=bd,c^a=ce,e^a=eg,g^a=gi,c^b=ci,f^b=fi,e^c=eh,f^c=fghi,f^e=fi

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, 41749);