Finite Group Databasebeta
Cayley diagram

#9875

order256
nilpotency class3
isoclinismisoclinic class of #1999
automorphismAut(G) order 16384
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC22×C4C22×C4
Frattini, cosocleC2×C42C23
socle, prime radicalC23C2×C22⋊C4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C43 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

217 conjugacy classes of subgroups; only the 87 normal subgroups are shown.

normal subgroups only

This group has 217 conjugacy classes of subgroups — too many to draw. Only its 87 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 — 3 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=def,c^2=eg,d^2=g,f^2=h,b^a=bd,c^a=ce,d^a=dg,c^b=ch

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#92891, #93716, #97291, …
maximal normal subgroup of#92891, #93716, #97291, …
maximal quotient of#102411, #102412, #102415, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 2863);