Finite Group Databasebeta
Cayley diagram

#40256

order256
nilpotency class2
isoclinismisoclinic class of #37644
automorphismAut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC23C25
prime radical#2424C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

924 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 24 points:

(1,2)(3,8)(4,7)(5,6)(18,21)(22,24);(2,6)(7,8)(10,14)(12,15);(1,3,5,4)(2,7,6,8)(9,10)(11,15)(12,16)(13,14)(17,18)(19,22)(20,21)(23,24);(1,4,5,3)(2,8,6,7)(9,11,13,16)(10,15,14,12);(1,2)(3,7)(4,8)(5,6)(9,12,13,15)(10,16,14,11)(17,19,20,23)(18,22,21,24)

Polycyclic presentation:

2^8|c^2=f,d^2=fh,e^2=fgh,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 ofC2×#40256, #7637991, #7638133, …
maximal normal subgroup ofC2×#40256, #7637991, #7638133, …
maximal quotient of#521951, #522493, #523023, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 33244);