Finite Group Databasebeta
Cayley diagram

#38970

order256
nilpotency class2
isoclinismisoclinic class of #37644
automorphismAut(G) order 131072
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

711 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 256

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#130615, #131014, #254204, …
maximal normal subgroup of#130615, #131014, #254204, …
maximal quotient of#521563, #522261, #522828, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 31958);