Finite Group Databasebeta
Cayley diagram

#11495

order256
nilpotency class3
isoclinismisoclinic class of #1468
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×C22⋊C4
commutator, prime radicalC23C22×C8
Frattini, cosocleC22×C8C23
socleC22C2×C22⋊C8
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1

157 conjugacy classes of subgroups; only the 69 normal subgroups are shown.

normal subgroups only

This group has 157 conjugacy classes of subgroups — too many to draw. Only its 69 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) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=e,b^2=f,c^2=fg,e^2=g,g^2=h,b^a=bd,d^a=df,c^b=ch,e^b=ef

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#129673, #129674, #129675, …
maximal normal subgroup of#129673, #129674, #129675, …
maximal quotient of#124209, #124226, #124228, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4483);