Finite Group Databasebeta
Cayley diagram

#50919

order256
nilpotency class2
isoclinismisoclinic class of #47826
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 radicalC22×D4C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

696 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)(9,10,14,15)(11,12,16,19)(13,21,22,17)(18,24,23,20)(25,26)(27,31)(28,32)(29,30)(33,35)(34,39)(36,40)(37,38);(1,2,4,6)(3,5,7,8)(10,15)(12,19)(17,21)(20,24)(26,29)(27,33)(32,37)(34,36);(1,3,4,7)(2,5,6,8)(9,11,14,16)(10,12,15,19)(13,18,22,23)(17,20,21,24)(25,27,30,33)(26,31,29,35)(28,36,38,34)(32,40,37,39);(9,12)(10,16)(11,15)(13,20)(14,19)(17,23)(18,21)(22,24)(25,28,30,38)(26,32,29,37)(27,34,33,36)(31,39,35,40);(9,13,14,22)(10,17,15,21)(11,18,16,23)(12,20,19,24)(25,29,30,26)(27,35,33,31)(28,37,38,32)(34,40,36,39)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#132474, #253526, #253528, …
maximal normal subgroup of#132474, #253526, #253528, …
maximal quotient of#560401, #560526, #561574, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 43907);