Finite Group Databasebeta
Cayley diagram

#18878

order256
nilpotency class3
isoclinismisoclinic class of #18866
automorphismAut(G) order 4096
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC42C24
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

472 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

2^8|b^2=h,e^2=g,f^2=h,b^a=be,c^a=cf,d^a=dgh,e^a=eg,f^a=fh,d^b=dg,e^b=eg,f^b=fh,e^c=eh,f^c=fh

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#18878, #6348843, #6348888, …
maximal normal subgroup ofC2×#18878, #6348843, #6348888, …
maximal quotient of#167509, #167526, #167543, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11866);