Finite Group Databasebeta
Cayley diagram

#22663

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

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×D4D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

511 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#225628, #225629, #225634, …
maximal normal subgroup of#225628, #225629, #225634, …
maximal quotient of#225392, #225402, #225412, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15651);