Finite Group Databasebeta
Cayley diagram

#37404

order256
nilpotency class2
isoclinismisoclinic class of #36702
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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#6486329, #6486338, #6486342, …
maximal normal subgroup of#6486329, #6486338, #6486342, …
maximal quotient of#553823, #553837, #554054, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 30392);