Finite Group Databasebeta
Cayley diagram

#33175

order256
nilpotency class3
isoclinismisoclinic class of #32935
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C42

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

685 conjugacy classes of subgroups; only the 171 normal subgroups are shown.

normal subgroups only

This group has 685 conjugacy classes of subgroups — too many to draw. Only its 171 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) = 128

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

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

Polycyclic presentation:

2^8|b^2=eh,c^2=f,e^2=h,b^a=be,c^a=cf,d^a=dg,e^a=eh,d^b=dh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#125160, #125334, #125452, …
maximal normal subgroup of#125160, #125334, #125452, …
maximal quotient of#351678, #351679, #351686, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26163);