Finite Group Databasebeta
Cayley diagram

#17305

order256
nilpotency class2
isoclinismisoclinic class of #17082
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, prime radical, cosocleC24C24
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

507 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 507 conjugacy classes of subgroups — too many to draw. Only its 159 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:

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

Polycyclic presentation:

2^8|a^2=g,b^2=h,c^2=g,d^2=ef,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=def,d^c=de

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#125865, #126028, #126139, …
maximal normal subgroup of#125865, #126028, #126139, …
maximal quotient of#156572, #156591, #156600, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10293);