Finite Group Databasebeta
Cayley diagram

#29553

order256
nilpotency class3
isoclinismisoclinic class of #24378
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C2×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

366 conjugacy classes of subgroups; only the 125 normal subgroups are shown.

normal subgroups only

This group has 366 conjugacy classes of subgroups — too many to draw. Only its 125 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) = 256

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#101702, #101710, #168700, …
maximal normal subgroup of#101702, #101710, #168700, …
maximal quotient of#363987, #364280, #371284, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22541);