Finite Group Databasebeta
Cayley diagram

#13161

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C8C2×D4
commutatorC2×C4C22×C8
Frattini, cosocleC22×C8C23
socleC22C8×D4
prime radicalC23#131
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C8 ◁ C22×C16 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

149 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 36 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=f,c^2=e,e^2=h,f^2=g,g^2=h,b^a=bd,c^a=ce,e^a=eh

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93928, #135890, #135911, …
maximal normal subgroup of#93928, #135890, #135911, …
maximal quotient of#140335, #140338, #140351, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6149);