Finite Group Databasebeta
Cayley diagram

#16220

order256
nilpotency class2
isoclinismisoclinic class of #15257
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, prime radical, cosocleC24C24
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

495 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=g,b^2=efgh,c^2=efg,d^2=e,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=de

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#16220, #610410, #610427, …
maximal normal subgroup ofC2×#16220, #610410, #610427, …
maximal quotient of#154824, #154839, #154841, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 9208);