Finite Group Databasebeta
Cayley diagram

#45133

order256
nilpotency class2
isoclinismisoclinic class of #42996
automorphismAut(G) order 65536
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C4

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

807 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:

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

Polycyclic presentation:

2^8|a^2=fgh,b^2=g,c^2=f,d^2=f,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#7039276, #7039280, #7039291, …
maximal normal subgroup of#7039276, #7039280, #7039291, …
maximal quotient of#535326, #535494, #535948, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 38121);