Finite Group Databasebeta
Cayley diagram

#42330

order256
nilpotency class2
isoclinismisoclinic class of #40484
automorphismAut(G) order 65536
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, prime radical, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

664 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 40 points:

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

Polycyclic presentation:

2^8|a^2=g,b^2=g,c^2=h,d^2=fh,e^2=f,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh,d^c=dfh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#132460, #253670, #253672, …
maximal normal subgroup of#132460, #253670, #253672, …
maximal quotient of#544475, #545048, #545537, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 35318);