Finite Group Databasebeta

#13018783

order1280
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

FittingC5×#322 ⋊ C4
SylowC5 ⋊ #8804

Subgroups

subgroupG/H
centerC22#65690
commutatorC42×C5C22×C4
FrattiniC42C22×AGL(1,𝔽5)
FittingC5×#322C4
socleC22×C5#383
prime radicalC22×D5#126
cosocleC42×D5C23
hypercenter#322AGL(1,𝔽5)
hypocenterC5#8804
LCSG ▷ C42×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C42 ◁ #322

216 conjugacy classes of subgroups; only the 58 normal subgroups are shown.

normal subgroups only

This group has 216 conjugacy classes of subgroups — too many to draw. Only its 58 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) = 320

Polycyclic presentation:

2^8,5|a^2=f,b^2=deg,c^2=d,d^2=gh,e^2=g,b^a=bd,c^a=ce,d^a=dg,e^a=eh,i^a=i^2,f^b=fh,i^b=i^4,f^c=fgh,i^f=i^4

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1089051);