Finite Group Databasebeta
Cayley diagram

#19763

order256
nilpotency class3
isoclinismisoclinic class of #19755
automorphismAut(G) order 4096
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22D42
commutator, Frattini, cosocleC42C24
prime radicalD4×D8C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

378 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 16 points:

(2,5)(3,8)(6,7)(9,10,12,15)(11,13,16,14);(1,2)(3,6)(4,7)(5,8);(10,13)(11,16)(14,15);(2,6)(3,8)(5,7)

Polycyclic presentation:

2^8|a^2=h,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,d^b=de,e^b=eg,f^c=fh,e^d=eg

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#19763, #6358110, #6358233, …
maximal normal subgroup ofC2×#19763, #6358110, #6358233, …
maximal quotient of#220728, #220852, #222480, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12751);