Finite Group Databasebeta
Cayley diagram

#17716

order256
nilpotency class3
isoclinismisoclinic class of #1504
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×C22⋊C4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC22C22×C22⋊C4
prime radical#3444C2
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

497 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#106216, #107374, #107463, …
maximal normal subgroup of#106216, #107374, #107463, …
maximal quotient of#160453, #160470, #160481, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10704);