Finite Group Databasebeta
Cayley diagram

#18523

order256
nilpotency class3
isoclinismisoclinic class of #1619
automorphismAut(G) order 4096
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#120
commutator, Frattini, cosocleC42C24
socleC22C2×#120
prime radical#3475C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

473 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#210267, #210275, #210283, …
maximal normal subgroup of#210267, #210275, #210283, …
maximal quotient of#165724, #165763, #165805, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11511);