Finite Group Databasebeta
Cayley diagram

#41394

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, cosocleC23C25
prime radicalC24C24
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

695 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

2^8|a^2=h,b^2=fg,c^2=f,d^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#133258, #253298, #253300, …
maximal normal subgroup of#133258, #253298, #253300, …
maximal quotient of#544445, #545029, #545520, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 34382);