Finite Group Databasebeta
Cayley diagram

#13191

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C8C2×D4
commutatorC2×C4C22×C8
Frattini, cosocleC22×C8C23
socleC22C2×C22⋊C8
prime radical#532C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

225 conjugacy classes of subgroups; only the 87 normal subgroups are shown.

normal subgroups only

This group has 225 conjugacy classes of subgroups — too many to draw. Only its 87 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

2^8|a^2=f,b^2=df,c^2=e,d^2=h,f^2=g,g^2=h,b^a=bd,c^a=ce,d^a=dh

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93694, #93889, #94160, …
maximal normal subgroup of#93694, #93889, #94160, …
maximal quotient of#140507, #140513, #140535, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6179);