Finite Group Databasebeta
Cayley diagram

#23897

order256
nilpotency class3
isoclinismisoclinic class of #23897
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2#2403
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

976 conjugacy classes of subgroups; only the 141 normal subgroups are shown.

normal subgroups only

This group has 976 conjugacy classes of subgroups — too many to draw. Only its 141 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) = 16

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#139742, #144364, #144382, …
maximal normal subgroup of#139742, #144364, #144382, …
maximal quotient of#245063, #245066, #245071, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16885);