Finite Group Databasebeta
Cayley diagram

#17554

order256
nilpotency class3
isoclinismisoclinic class of #1510
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×C22⋊C4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22C22×C22⋊C4
prime radicalC2×#121C22
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

512 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

2^8|a^2=f,d^2=g,e^2=h,b^a=be,c^a=ch,e^a=eg,e^b=eh,f^b=fgh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#106072, #107292, #107596, …
maximal normal subgroup of#106072, #107292, #107596, …
maximal quotient of#160527, #160530, #160541, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10542);