Finite Group Databasebeta
Cayley diagram

#42655

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 radicalC22×D4C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

749 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)(11,15)(13,16)(17,18,22,21)(19,23,27,26)(20,28,30,24)(25,32,29,31);(2,6)(3,7)(9,10,12,14)(11,13,15,16)(18,21)(23,26)(24,28)(31,32);(1,3,5,7)(2,4,6,8)(9,11)(10,13)(12,15)(14,16)(17,19,22,27)(18,23,21,26)(20,29,30,25)(24,32,28,31);(1,4)(2,7)(3,6)(5,8)(17,20)(18,24)(19,25)(21,28)(22,30)(23,31)(26,32)(27,29);(17,21,22,18)(19,26,27,23)(20,28,30,24)(25,32,29,31)

Polycyclic presentation:

2^8|a^2=fh,b^2=g,c^2=f,e^2=fh,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#6678389, #6678392, #6678452, …
maximal normal subgroup of#6678389, #6678392, #6678452, …
maximal quotient of#544424, #545010, #545492, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 35643);