Finite Group Databasebeta
Cayley diagram

#25771

order256
nilpotency class3
isoclinismisoclinic class of #24404
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC24C24
LCSG ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

1045 conjugacy classes of subgroups; only the 145 normal subgroups are shown.

normal subgroups only

This group has 1045 conjugacy classes of subgroups — too many to draw. Only its 145 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) = 12
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 12 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#142600, #142602, #142608, …
maximal normal subgroup of#142600, #142602, #142608, …
maximal quotient of#297211, #297212, #297213, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18759);