Finite Group Databasebeta
Cayley diagram

#47226

order256
nilpotency class2
isoclinismisoclinic class of #46350
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 radicalC2×#121C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

717 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)(15,18)(16,21)(19,22)(23,24)(25,26,30,31)(27,28,32,35)(29,37,38,33)(34,40,39,36);(1,2,4,6)(3,5,7,8)(10,14)(11,18)(12,21)(22,23)(26,31)(28,35)(33,37)(36,40);(1,3,4,7)(2,5,6,8)(9,11)(10,15)(12,19)(13,18)(14,17)(16,22)(20,23)(21,24)(25,27,30,32)(26,28,31,35)(29,34,38,39)(33,36,37,40);(9,10)(11,17)(12,16)(13,14)(15,18)(19,23)(20,21)(22,24)(25,28)(26,32)(27,31)(29,36)(30,35)(33,39)(34,37)(38,40);(9,12,13,21)(10,16,14,20)(11,19,18,24)(15,22,17,23)(25,29,30,38)(26,33,31,37)(27,34,32,39)(28,36,35,40)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#133809, #251965, #251991, …
maximal normal subgroup of#133809, #251965, #251991, …
maximal quotient of#576669, #576671, #576771, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 40214);