Finite Group Databasebeta
Cayley diagram

#13028

order256
nilpotency class4
isoclinismisoclinic class of #2212
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#459
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
prime radicalC2×#135C22
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 238 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#13028, #494542, #494543, …
maximal normal subgroup ofC2×#13028, #494542, #494543, …
maximal quotient of#136697, #136731, #136904, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6016);