Finite Group Databasebeta
Cayley diagram

#17427

order256
nilpotency class3
isoclinismisoclinic class of #17411
automorphismAut(G) order 4096
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC2×#553C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C4×D4 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

511 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)(3,9,11,6)(4,7)(5,8)(10,15,16,13)(12,14)(17,18,21,26,22,25,20,24)(19,27,28,32,29,23,30,31);(1,3,5,11)(2,6,8,9)(4,10,12,16)(7,13,14,15)(17,19,22,29)(18,23,25,27)(20,28,21,30)(24,31,26,32);(1,4,5,12)(2,7,8,14)(3,10,11,16)(6,13,9,15)(17,20,22,21)(18,24,25,26)(19,28,29,30)(23,31,27,32);(4,12)(7,14)(10,16)(13,15)

Polycyclic presentation:

2^8|a^2=f,b^2=g,c^2=g,f^2=h,b^a=be,e^a=eg,f^b=fg,d^c=dgh

Conjugacy classes & character table

55 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#480879, #480882, #480891, …
maximal normal subgroup of#480879, #480882, #480891, …
maximal quotient of#164343, #164346, #164347, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10415);