Finite Group Databasebeta
Cayley diagram

#21236

order256
nilpotency class3
isoclinismisoclinic class of #3055
automorphismAut(G) order 65536
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 radicalC22×AGL(1,ℤ/8)C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

891 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)(10,15)(11,16)(12,13);(1,2,3,4)(6,8)(9,10,12,15,14,16,13,11);(9,11,13,16,14,15,12,10);(10,16)(11,15)

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#357377, #366627, #366628, …
maximal normal subgroup of#357377, #366627, #366628, …
maximal quotient of#204269, #204286, #204303, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14224);