Finite Group Databasebeta
Cayley diagram

#130682

order512
nilpotency class4
isoclinismisoclinic class of #130498
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1781
commutatorC2×C42C22×C4
Frattini, cosocleC2×C4×D4C23
prime radicalC22×D4C2×D4
LCSG ▷ C2×C42 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#556 ◁ G
LECSG ▷ C2×C4×D4 ▷ C23 ▷ C2 ▷ C1

654 conjugacy classes of subgroups; only the 84 normal subgroups are shown.

normal subgroups only

This group has 654 conjugacy classes of subgroups — too many to draw. Only its 84 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)(11,21,25,32)(12,26,30,35)(13,19,14,18)(15,20)(16,23)(17,29)(22,31)(24,33)(27,34)(28,36)(37,38,40,39);(1,2)(3,6)(4,8)(5,7)(9,11)(10,16,20,33)(12,27)(13,23)(14,24)(15,25)(17,34,36,31)(18,21,19,32)(22,30)(26,37,35,40)(28,39)(29,38);(1,3,5,4)(2,6,7,8)(9,12)(10,17,20,36)(11,22)(13,28)(14,29)(15,30)(16,31,33,34)(18,35,19,26)(21,37,32,40)(23,38)(24,39)(25,27)

Polycyclic presentation:

2^9|a^2=f,b^2=g,c^2=gh,d^2=hi,e^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gi,c^b=ci,d^b=dh,f^b=fghi,f^c=fgi,f^d=fi,f^e=fi

Conjugacy classes & character table

47 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 37878);