Finite Group Databasebeta
Cayley diagram

#38771

order256
nilpotency class2
isoclinismisoclinic class of #37644
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 radicalC22×D4C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

785 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:

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

Polycyclic presentation:

2^8|a^2=f,b^2=f,c^2=f,d^2=gh,e^2=fg,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97979, #166961, #166962, …
maximal normal subgroup of#97979, #166961, #166962, …
maximal quotient of#521865, #522432, #523144, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 31759);