Finite Group Databasebeta
Cayley diagram

#19670

order256
nilpotency class3
isoclinismisoclinic class of #19651
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#127
commutator, Frattini, cosocleC42C24
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

373 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#219652, #219665, #219672, …
maximal normal subgroup of#219652, #219665, #219672, …
maximal quotient of#191520, #206143, #206144, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12658);