Finite Group Databasebeta
Cayley diagram

#18194

order256
nilpotency class3
isoclinismisoclinic class of #18192
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

825 conjugacy classes of subgroups; only the 129 normal subgroups are shown.

normal subgroups only

This group has 825 conjugacy classes of subgroups — too many to draw. Only its 129 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 — 4 generators on 16 points:

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

Polycyclic presentation:

2^8|d^2=g,e^2=g,b^a=be,c^a=cf,d^a=dg,e^a=eg,d^b=dg,e^b=eg,f^b=fh,e^c=eh

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#142600, #142601, #142604, …
maximal normal subgroup of#142600, #142601, #142604, …
maximal quotient of#166995, #167015, #167059, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11182);