Finite Group Databasebeta
Cayley diagram

#45158

order256
nilpotency class2
isoclinismisoclinic class of #42996
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#392C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

821 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:

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

Polycyclic presentation:

2^8|a^2=fgh,b^2=g,c^2=g,e^2=h,b^a=bf,c^a=cg,e^a=eh,c^b=ch,d^b=df,e^b=eh,d^c=dh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#7034346, #7034350, #7034353, …
maximal normal subgroup of#7034346, #7034350, #7034353, …
maximal quotient of#535343, #535445, #535970, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 38146);