Finite Group Databasebeta
Cayley diagram

#16225

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

517 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)(6,8)(9,10)(11,13)(12,14)(15,16)(17,18,20,21)(19,23,24,22)(25,26)(27,32)(28,31)(29,30);(2,5)(6,8)(10,11)(12,16)(18,21)(22,23)(25,27,30,28)(26,31,29,32);(1,2)(3,6)(4,5)(7,8)(9,11,13,10)(12,15,16,14)(17,19)(18,22)(20,24)(21,23)(25,28,30,27)(26,31,29,32);(1,3,4,7)(2,6,5,8)(9,12)(10,14)(11,15)(13,16)(17,18)(19,22)(20,21)(23,24)(25,29,30,26)(27,31,28,32)

Polycyclic presentation:

2^8|a^2=fg,b^2=fgh,c^2=efg,d^2=ef,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×#16225, #610423, #610425, …
maximal normal subgroup ofC2×#16225, #610423, #610425, …
maximal quotient of#154904, #154948, #154981, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 9213);