Finite Group Databasebeta
Cayley diagram

#25731

order256
nilpotency class3
isoclinismisoclinic class of #24384
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

901 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 901 conjugacy classes of subgroups — too many to draw. Only its 159 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) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 16 points:

(2,3)(9,10,12,14)(11,16,15,13);(1,2,4,3)(5,6)(7,8)(10,14)(11,15);(6,8)(9,11,13,10,12,15,16,14);(1,3,4,2)(10,14)(11,15)

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#100887, #100892, #102649, …
maximal normal subgroup of#100887, #100892, #102649, …
maximal quotient of#297269, #297276, #297283, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18719);