Finite Group Databasebeta
Cayley diagram

#10891

order256
nilpotency class3
isoclinismisoclinic class of #453
automorphismAut(G) order 32768
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23#120
commutatorC2×C4C2×C42
Frattini, cosocleC23×C4C23
prime radicalC24C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C2 ▷ C1

453 conjugacy classes of subgroups; only the 151 normal subgroups are shown.

normal subgroups only

This group has 453 conjugacy classes of subgroups — too many to draw. Only its 151 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 — 3 generators on 16 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94196, #94200, #130136, …
maximal normal subgroup of#94196, #94200, #130136, …
maximal quotient of#109498, #109500, #109504, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 3879);