Finite Group Databasebeta
Cayley diagram

#138647

order512
nilpotency class4
isoclinismisoclinic class of #12433
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#466
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1893
prime radical#19101C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C8×D4 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

389 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 389 conjugacy classes of subgroups — too many to draw. Only its 98 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfgh,d^2=ghi,e^2=h,f^2=hi,g^2=i,b^a=bd,c^a=ce,d^a=dg,g^a=gi,c^b=ci,d^b=dh,e^b=eh,f^b=fh,d^c=dh,e^c=eh,f^c=fh

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45843);