Finite Group Databasebeta
Cayley diagram

#19724

order256
nilpotency class3
isoclinismisoclinic class of #19713
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C8

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#127
commutator, Frattini, cosocleC42C24
prime radical#3184C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

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

normal subgroups only

This group has 356 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)(3,11)(4,8)(5,9)(6,16)(7,10)(12,14)(13,15)(17,18)(19,25)(20,30)(21,26)(22,31)(23,27)(24,28)(29,32);(1,3,6,8,7,13,5,12)(2,4,9,11,10,14,16,15)(17,19,22,28,23,29,21,20)(18,24,26,25,27,30,31,32);(1,4,7,14)(2,8,10,12)(3,9,13,16)(5,15,6,11)(17,20,21,29,23,28,22,19)(18,25,31,24,27,32,26,30);(1,5,7,6)(2,9,10,16)(3,12,13,8)(4,11,14,15)(17,21,23,22)(18,26,27,31)(19,28,29,20)(24,32,30,25)

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#143167, C2×#19724, #6357363, …
maximal normal subgroup of#143167, C2×#19724, #6357363, …
maximal quotient of#191523, #206260, #206269, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12712);