Finite Group Databasebeta
Cayley diagram

#29144

order256
nilpotency class3
isoclinismisoclinic class of #24378
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

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

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

normal subgroups only

This group has 361 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) = 32
transitive degreeμt(G) = 256

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

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

Polycyclic presentation:

2^8|a^2=efg,b^2=egh,c^2=h,d^2=eh,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#101887, #150538, #150910, …
maximal normal subgroup of#101887, #150538, #150910, …
maximal quotient of#326501, #326511, #326512, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22132);