Finite Group Databasebeta
Cayley diagram

#45200

order256
nilpotency class2
isoclinismisoclinic class of #42996
automorphismAut(G) order 131072
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC23C25
prime radicalC2×#127C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

839 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)(11,15)(12,13)(14,16)(17,18,22,20)(19,23,25,27)(21,28,29,24)(26,32,31,30);(10,13)(14,15)(18,20)(19,25)(21,29)(30,32);(1,2,4,5)(3,6,7,8)(9,11,12,16)(10,14,13,15)(17,19)(18,23)(20,27)(21,26)(22,25)(24,30)(28,32)(29,31);(1,3,4,7)(2,6,5,8)(9,10)(11,14)(12,13)(15,16)(17,20,22,18)(19,23,25,27)(21,28,29,24)(26,30,31,32);(17,21,22,29)(18,24,20,28)(19,26,25,31)(23,30,27,32)

Polycyclic presentation:

2^8|a^2=h,c^2=g,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#130585, #130910, #253926, …
maximal normal subgroup of#130585, #130910, #253926, …
maximal quotient of#535405, #535559, #536129, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 38188);