Finite Group Databasebeta
Cayley diagram

#25447

order256
nilpotency class3
isoclinismisoclinic class of #25446
automorphismAut(G) order 4096
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2#2428
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

446 conjugacy classes of subgroups; only the 121 normal subgroups are shown.

normal subgroups only

This group has 446 conjugacy classes of subgroups — too many to draw. Only its 121 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) = 32
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 32 points:

(1,2,6,10,7,11,5,22)(3,12,16,13,17,26,15,8)(4,18,20,24,21,31,19,9)(14,27,29,32,30,23,28,25);(1,3)(2,8,11,13)(4,14)(5,15)(6,16)(7,17)(9,23,24,27)(10,12,22,26)(18,25,31,32)(19,28)(20,29)(21,30);(1,2)(3,13)(4,9)(5,10)(6,22)(7,11)(8,17)(12,16)(14,27)(15,26)(18,19)(20,31)(21,24)(23,30)(25,29)(28,32);(1,4,6,20,7,21,5,19)(2,9,22,31,11,24,10,18)(3,14,16,29,17,30,15,28)(8,23,26,32,13,27,12,25)

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#502201, #502202, #502215, …
maximal normal subgroup of#502201, #502202, #502215, …
maximal quotient of#288572, #288576, #288578, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18435);