Finite Group Databasebeta
Cayley diagram

#45205

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#2540C2
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:

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

Polycyclic presentation:

2^8|a^2=h,b^2=f,c^2=fg,d^2=fg,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#7010367, #7010371, #7010383, …
maximal normal subgroup of#7010367, #7010371, #7010383, …
maximal quotient of#535551, #535552, #536195, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 38193);