Finite Group Databasebeta
Cayley diagram

#131788

order512
nilpotency class4
isoclinismisoclinic class of #12316
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#447
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1786
prime radical#61431C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C8×#41 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

626 conjugacy classes of subgroups; only the 100 normal subgroups are shown.

normal subgroups only

This group has 626 conjugacy classes of subgroups — too many to draw. Only its 100 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:

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

Polycyclic presentation:

2^9|a^2=f,d^2=hi,e^2=gi,f^2=i,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gi,h^a=hi,d^b=dh,e^b=eg,f^b=fghi,g^b=gi,h^b=hi,d^c=dg,e^c=eg,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, 38984);