Finite Group Databasebeta
Cayley diagram

#16171

order256
nilpotency class2
isoclinismisoclinic class of #15257
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C42

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

517 conjugacy classes of subgroups; only the 167 normal subgroups are shown.

normal subgroups only

This group has 517 conjugacy classes of subgroups — too many to draw. Only its 167 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)(3,7)(9,10)(11,15)(12,13)(14,16)(17,18,20,22)(19,21,23,24)(26,27)(30,31);(10,12)(14,15)(19,23)(21,24)(25,26,29,27)(28,31,32,30);(1,2,4,5)(3,6,7,8)(9,11,13,16)(10,14,12,15)(17,19)(18,21)(20,23)(22,24)(25,27,29,26)(28,31,32,30);(1,3)(2,6)(4,7)(5,8)(9,12,13,10)(11,15,16,14)(17,18)(19,21)(20,22)(23,24)(25,28,29,32)(26,30,27,31)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#144608, C2×#16171, #610300, …
maximal normal subgroup of#144608, C2×#16171, #610300, …
maximal quotient of#154860, #154975, #155035, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 9159);