Finite Group Databasebeta
Cayley diagram

#38971

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, cosocleC23C25
prime radicalC22×D4C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

757 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:

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

Polycyclic presentation:

2^8|b^2=g,c^2=fg,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#130614, #131019, #254203, …
maximal normal subgroup of#130614, #131019, #254203, …
maximal quotient of#521566, #522264, #522830, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 31959);