Finite Group Databasebeta
Cayley diagram

#45231

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

757 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)(3,7,8,6)(10,13)(14,15)(17,18,22,20)(19,23,25,27)(21,28,29,24)(26,32,31,30);(1,2,5,4)(3,6,8,7)(9,10)(11,15)(12,13)(14,16)(18,20)(19,25)(21,29)(30,32);(1,3,5,8)(2,6,4,7)(17,19)(18,23)(20,27)(21,26)(22,25)(24,30)(28,32)(29,31);(1,4,5,2)(3,7,8,6)(9,11,12,16)(10,14,13,15)(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=gh,b^2=g,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#130602, #131029, #253945, …
maximal normal subgroup of#130602, #131029, #253945, …
maximal quotient of#535407, #535513, #536129, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 38219);