Finite Group Databasebeta

#13020771

order1280
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C4

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #9588

Subgroups

subgroupG/H
centerC22#65700
commutatorC42×C5C22×C4
FrattiniC42C22×AGL(1,𝔽5)
FittingC5×#333C4
socleC22×C5#388
prime radical#66059C22
cosocleC42×D5C23
hypercenter#333AGL(1,𝔽5)
hypocenterC5#9588
LCSG ▷ C42×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C42 ◁ #333

304 conjugacy classes of subgroups; only the 72 normal subgroups are shown.

normal subgroups only

This group has 304 conjugacy classes of subgroups — too many to draw. Only its 72 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 640

Polycyclic presentation:

2^8,5|a^2=f,b^2=dfg,c^2=d,d^2=g,e^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh,i^a=i^3,c^b=cg,i^b=i^2,e^c=egh,i^c=i^4,i^f=i^4

Conjugacy classes & character table

65 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1091039);