Finite Group Databasebeta
Cayley diagram

#42765

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

660 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:

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

Polycyclic presentation:

2^8|a^2=gh,b^2=f,c^2=g,d^2=fg,e^2=fh,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#6698390, #6698395, #6698455, …
maximal normal subgroup of#6698390, #6698395, #6698455, …
maximal quotient of#544619, #545150, #545617, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 35753);