Finite Group Databasebeta
Cayley diagram

#16996

order256
nilpotency class2
isoclinismisoclinic class of #16249
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C42

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

523 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:

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

Polycyclic presentation:

2^8|a^2=f,b^2=egh,c^2=g,d^2=f,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^c=de

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#16996, #611879, #611886, …
maximal normal subgroup ofC2×#16996, #611879, #611886, …
maximal quotient of#155758, #155766, #156050, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 9984);