Finite Group Databasebeta
Cayley diagram

#25588

order256
nilpotency class3
isoclinismisoclinic class of #24464
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

724 conjugacy classes of subgroups; only the 127 normal subgroups are shown.

normal subgroups only

This group has 724 conjugacy classes of subgroups — too many to draw. Only its 127 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)(4,5)(6,8)(11,16)(13,15);(2,5)(6,7)(9,10)(11,13)(12,14)(15,16);(10,13,14,15);(1,3,4,8)(2,6,5,7)

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#244658, #244664, #244702, …
maximal normal subgroup of#244658, #244664, #244702, …
maximal quotient of#293275, #293281, #293285, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18576);