Finite Group Databasebeta
Cayley diagram

#136723

order512
nilpotency class4
isoclinismisoclinic class of #13307
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#447
commutatorC22×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1879
prime radicalC22×D16C4
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ #1450 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 384 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,d^2=gi,e^2=g,f^2=h,g^2=i,h^2=i,b^a=bd,c^a=ce,e^a=ei,c^b=ch,d^b=dg,e^b=eg,f^b=fg,g^b=gi,h^b=hi,d^c=dg,e^c=egi,f^c=fg,g^c=gi,h^c=hi

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 43919);