Finite Group Databasebeta
Cayley diagram

#22428

order256
nilpotency class3
isoclinismisoclinic class of #3264
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC2×D42C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

955 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220872, #220873, #220880, …
maximal normal subgroup of#220872, #220873, #220880, …
maximal quotient of#219803, #219815, #219827, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15416);