Finite Group Databasebeta
Cayley diagram

#22019

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC22×C4C24
commutator, socle, prime radicalC23C23×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

313 conjugacy classes of subgroups; only the 163 normal subgroups are shown.

normal subgroups only

This group has 313 conjugacy classes of subgroups — too many to draw. Only its 163 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) = 256

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

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

Polycyclic presentation:

2^8|a^2=g,b^2=e,c^2=e,d^2=f,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=ce,d^c=dh

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#203284, #203286, #203289, …
maximal normal subgroup of#203284, #203286, #203289, …
maximal quotient of#355320, #355376, #355564, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15007);