Finite Group Databasebeta
Cayley diagram

#33249

order256
nilpotency class3
isoclinismisoclinic class of #32932
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×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 ◁ #376 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

419 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 419 conjugacy classes of subgroups — too many to draw. Only its 143 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) = 44
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 44 points:

(2,4)(5,6)(7,10)(8,9)(11,12)(13,14,19,24)(15,25,30,43)(16,31,32,22)(17,21,34,40)(18,35,26,23)(20,36,39,29)(27,42,44,37)(28,41,33,38);(6,9)(10,12)(13,15,26,36,19,30,18,29)(14,20,35,43,24,39,23,25)(16,27,34,28,32,44,17,33)(21,37,22,41,40,42,31,38);(1,2,3,4)(13,16,26,34,19,32,18,17)(14,21,35,22,24,40,23,31)(15,27,36,28,30,44,29,33)(20,37,43,41,39,42,25,38);(5,7,8,11)(6,10,9,12)(13,17,18,32,19,34,26,16)(14,22,23,21,24,31,35,40)(15,28,29,27,30,33,36,44)(20,38,25,42,39,41,43,37)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#125301, #125424, #140996, …
maximal normal subgroup of#125301, #125424, #140996, …
maximal quotient of#352642, #352647, #352651, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26237);