Finite Group Databasebeta
Cayley diagram

#41392

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 radicalC2×#121C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

777 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=h,b^2=g,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#133192, #253286, #253288, …
maximal normal subgroup of#133192, #253286, #253288, …
maximal quotient of#544445, #545019, #545506, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 34380);