Finite Group Databasebeta
Cayley diagram

#13019

order256
nilpotency class4
isoclinismisoclinic class of #2192
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#447
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
prime radicalC22×D8C22
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ #405 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 248 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) = 36
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

2^8|a^2=f,b^2=dfgh,d^2=gh,e^2=g,f^2=gh,g^2=h,b^a=bd,c^a=ce,e^a=eh,d^b=dg,e^b=eg,f^b=fg,g^b=gh,d^c=dg,e^c=egh,f^c=fg,g^c=gh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#13019, #494517, #494518, …
maximal normal subgroup ofC2×#13019, #494517, #494518, …
maximal quotient of#136691, #136725, #136900, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6007);