Finite Group Databasebeta
Cayley diagram

#19666

order256
nilpotency class3
isoclinismisoclinic class of #19651
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#127
commutator, Frattini, cosocleC42C24
prime radical#3169C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

356 conjugacy classes of subgroups; only the 119 normal subgroups are shown.

normal subgroups only

This group has 356 conjugacy classes of subgroups — too many to draw. Only its 119 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:

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

Polycyclic presentation:

2^8|b^2=eg,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#141369, #141370, #141824, …
maximal normal subgroup of#141369, #141370, #141824, …
maximal quotient of#191517, #206143, #206144, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12654);