Finite Group Databasebeta
Cayley diagram

#18960

order256
nilpotency class3
isoclinismisoclinic class of #18930
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC42C24
prime radical#3217C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

447 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 447 conjugacy classes of subgroups — too many to draw. Only its 113 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) = 64

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#347035, #347039, #347040, …
maximal normal subgroup of#347035, #347039, #347040, …
maximal quotient of#170411, #170471, #170507, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11948);