Finite Group Databasebeta
Cayley diagram

#29147

order256
nilpotency class3
isoclinismisoclinic class of #24384
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

363 conjugacy classes of subgroups; only the 131 normal subgroups are shown.

normal subgroups only

This group has 363 conjugacy classes of subgroups — too many to draw. Only its 131 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)(17,18,20,24,21,23,29,31)(19,25,26,30,27,32,28,22);(1,3,5,4)(2,6,8,7)(9,11,12,15)(10,13,14,16);(11,15)(13,16)(17,19,21,27)(18,22,23,30)(20,28,29,26)(24,32,31,25);(1,4,5,3)(2,7,8,6)(18,23)(22,30)(24,31)(25,32)

Polycyclic presentation:

2^8|a^2=efg,b^2=eg,c^2=h,d^2=e,f^2=h,b^a=be,c^a=cf,d^a=deh,c^b=cg,f^c=fh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#100792, #100804, #103859, …
maximal normal subgroup of#100792, #100804, #103859, …
maximal quotient of#326515, #326530, #326531, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22135);