Finite Group Databasebeta
Cayley diagram

#30099

order256
nilpotency class3
isoclinismisoclinic class of #29592
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 304 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) = 256

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#100580, #100581, #168882, …
maximal normal subgroup of#100580, #100581, #168882, …
maximal quotient of#380495, #380499, #381206, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 23087);