Finite Group Databasebeta
Cayley diagram

#29271

order256
nilpotency class3
isoclinismisoclinic class of #23995
automorphismAut(G) = #72337551 (order 2048) · Inn(G) = #535 · Out(G) = C22×D4
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4#535
commutator, Frattini, cosocleC22×C4C24
socleC2#2580
prime radicalC2×#135C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

302 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 302 conjugacy classes of subgroups — too many to draw. Only its 113 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)(3,12)(4,16)(5,20)(6,11)(7,14)(8,15)(9,18)(10,21)(13,27)(17,22)(19,30)(23,29)(24,31)(25,28)(26,32);(1,3)(2,7,11,23)(4,13)(5,14)(6,15)(8,10,12,20)(9,22,26,27)(16,25,30,24)(17,19)(18,28)(21,29)(31,32);(1,3)(2,8,11,12)(4,17)(5,14)(6,15)(7,20,23,10)(9,25,26,24)(13,19)(16,27,30,22)(18,31)(21,29)(28,32);(1,4,5,18,6,19,21,32)(2,9,10,16,11,26,20,30)(3,13,14,28,15,17,29,31)(7,22,12,25,23,27,8,24)

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#500650, #500651, #500940, …
maximal normal subgroup of#500650, #500651, #500940, …
maximal quotient of#326560, #326561, #326562, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22259);