Finite Group Databasebeta
Cayley diagram

#16247

order256
nilpotency class2
isoclinismisoclinic class of #15257
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C2×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC24C24
prime radicalC25C23
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

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

normal subgroups only

This group has 615 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) = 128

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

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

Polycyclic presentation:

2^8|a^2=efg,b^2=efg,c^2=fgh,d^2=ef,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#144619, C2×#16247, #610651, …
maximal normal subgroup of#144619, C2×#16247, #610651, …
maximal quotient of#154999, #155051, #155328, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 9235);