Finite Group Databasebeta
Cayley diagram

#18963

order256
nilpotency class3
isoclinismisoclinic class of #18930
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
prime radical#3247C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

422 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#18963, #6348941, #6348960, …
maximal normal subgroup ofC2×#18963, #6348941, #6348960, …
maximal quotient of#170414, #170474, #170511, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11951);