Finite Group Databasebeta
Cayley diagram

#19211

order256
nilpotency class3
isoclinismisoclinic class of #19186
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
commutator, Frattini, cosocleC42C24
prime radicalC23#121
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

285 conjugacy classes of subgroups; only the 121 normal subgroups are shown.

normal subgroups only

This group has 285 conjugacy classes of subgroups — too many to draw. Only its 121 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

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

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#143360, #143361, #143396, …
maximal normal subgroup of#143360, #143361, #143396, …
maximal quotient of#189570, #197766, #202767, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12199);