Finite Group Databasebeta
Cayley diagram

#21439

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC22×C4C24
commutator, socleC23C23×C4
prime radicalC2×#120C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

799 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:

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

Polycyclic presentation:

2^8|a^2=g,d^2=g,g^2=h,b^a=be,c^a=cf,d^b=dh

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#122366, #122367, #128485, …
maximal normal subgroup of#122366, #122367, #128485, …
maximal quotient of#208656, #208657, #208658, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14427);