Finite Group Databasebeta
Cayley diagram

#23200

order256
nilpotency class3
isoclinismisoclinic class of #3290
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22D42
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC23H(5,𝔽2)
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

439 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 36 points:

(1,2,4,3)(5,6,10,15,12,16,11,26)(7,17,19,30,20,29,25,13)(8,21,22,31,23,34,9,14)(18,27,24,32,33,36,35,28);(1,3,4,2)(5,7,12,20)(6,13,16,30)(8,18,23,33)(9,24,22,35)(10,25,11,19)(14,27,31,36)(15,29,26,17)(21,28,34,32);(5,8,10,22,12,23,11,9)(6,14,26,34,16,31,15,21)(7,18,25,35,20,33,19,24)(13,27,17,32,30,36,29,28);(5,9,11,23,12,22,10,8)(6,14,26,34,16,31,15,21)(7,18,25,35,20,33,19,24)(13,28,29,36,30,32,17,27)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#136489, #136513, #136538, …
maximal normal subgroup of#136489, #136513, #136538, …
maximal quotient of#231468, #231474, #231482, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16188);