Finite Group Databasebeta

#13025262

order1280
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #12065

Subgroups

subgroupG/H
centerC22#65731
commutatorC5×C8C22×C8
FrattiniC2×C8C22×AGL(1,𝔽5)
FittingC5×#358C4
socleC22×C5#442
prime radicalC2×D40C2×C4
cosocleC8×Dic5C23
hypercenter#358AGL(1,𝔽5)
hypocenterC5#12065
LCSG ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8 ◁ #358

230 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 230 conjugacy classes of subgroups — too many to draw. Only its 70 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=e,c^2=ef,d^2=f,e^2=g,f^2=h,b^a=bd,c^a=cf,d^a=df,f^a=fh,i^a=i^2,d^b=dfh,e^b=eh,f^b=fh,i^b=i^4,d^c=dh,i^c=i^2,i^e=i^4

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1095530);