Finite Group Databasebeta
Cayley diagram

#19215

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

291 conjugacy classes of subgroups; only the 115 normal subgroups are shown.

normal subgroups only

This group has 291 conjugacy classes of subgroups — too many to draw. Only its 115 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)(3,9)(4,6)(5,13)(7,11)(8,12)(10,16)(14,15)(17,18,22,25)(19,26,24,21)(20,27,28,32)(23,29,31,30);(2,6)(7,15)(8,13)(9,16)(17,19,21,18,22,24,26,25)(20,27,29,23,28,32,30,31);(1,3,4,10)(2,7,6,15)(5,14,12,11)(8,16,13,9)(17,20,22,28)(18,23,25,31)(19,27,24,32)(21,29,26,30);(20,28)(23,31)(27,32)(29,30)

Polycyclic presentation:

2^8|a^2=g,b^2=egh,c^2=h,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#263067, #263072, #263107, …
maximal normal subgroup of#263067, #263072, #263107, …
maximal quotient of#189581, #197767, #197770, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12203);