Finite Group Databasebeta
Cayley diagram

#37395

order256
nilpotency class2
isoclinismisoclinic class of #36702
automorphismAut(G) order 262144
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC23C25
prime radicalC24C24
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

762 conjugacy classes of subgroups; only the 415 normal subgroups are shown.

normal subgroups only

This group has 762 conjugacy classes of subgroups — too many to draw. Only its 415 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) = 128

A minimal faithful permutation representation — 5 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=fh,b^2=g,c^2=g,d^2=f,e^2=fh,b^a=bf,c^a=cg,d^a=df,e^a=efh,c^b=ch,d^b=dfh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#133177, #133179, #251734, …
maximal normal subgroup of#133177, #133179, #251734, …
maximal quotient of#553760, #553796, #553991, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 30383);