Finite Group Databasebeta
Cayley diagram

#10991

order256
nilpotency class3
isoclinismisoclinic class of #2021
automorphismAut(G) order 32768
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23#120
commutatorC24C22×C4
Frattini, cosocleC25C23
prime radicalC22×#120C2
LCSG ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C25 ◁ G
LECSG ▷ C25 ▷ C2 ▷ C1

1561 conjugacy classes of subgroups; only the 135 normal subgroups are shown.

normal subgroups only

This group has 1561 conjugacy classes of subgroups — too many to draw. Only its 135 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) = 32

A minimal faithful permutation representation — 3 generators on 16 points:

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

Polycyclic presentation:

2^8|a^2=g,b^a=bd,c^a=ce,d^a=dh,f^a=fh,c^b=cf,e^b=eh,g^b=gh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#133390, #133392, #133394, …
maximal normal subgroup of#133390, #133392, #133394, …
maximal quotient of#111458, #111459, #111557, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 3979);