Finite Group Databasebeta
Cayley diagram

#150354

order512
nilpotency class5
isoclinismisoclinic class of #150220
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2127
commutatorC2×C42C22×C4
Frattini, cosocle#390C23
prime radical#30048C2
LCSG ▷ C2×C42 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C2×C42 ◁ #2328 ◁ G
LECSG ▷ #390 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

343 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 343 conjugacy classes of subgroups — too many to draw. Only its 54 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) = 64

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=e,c^2=gh,d^2=g,f^2=i,b^a=bd,d^a=df,f^a=fh,g^a=gi,h^a=hi,c^b=ch,d^b=dg,e^b=efgi,f^b=fi,d^c=di,e^d=ehi,f^e=fi

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 57550);