Finite Group Databasebeta
Cayley diagram

#45938

order256
nilpotency class2
isoclinismisoclinic class of #45438
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 radical#2682C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

832 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)(3,4)(5,6)(7,8)(9,10)(11,16)(12,15)(13,14)(18,22)(19,25)(24,29)(26,31);(2,6)(3,7)(10,14)(15,16)(18,22)(19,25)(20,27)(30,32);(9,11,13,12)(10,15,14,16)(17,18)(19,23)(20,24)(21,22)(25,28)(26,30)(27,29)(31,32);(1,3,5,7)(2,4,6,8)(9,10)(11,15)(12,16)(13,14)(17,19,21,25)(18,23,22,28)(20,26,27,31)(24,30,29,32);(1,4)(2,7)(3,6)(5,8)(9,12,13,11)(10,16,14,15)(17,20,21,27)(18,24,22,29)(19,26,25,31)(23,30,28,32)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97881, #172717, #172718, …
maximal normal subgroup of#97881, #172717, #172718, …
maximal quotient of#557189, #557226, #557525, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 38926);