Finite Group Databasebeta

#13025927

order1280
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Splittings

FittingC5×#358 ⋊ C4
SylowC5 ⋊ #12650

Subgroups

subgroupG/H
centerC22#65731
commutatorC5×C8C2×C42
FrattiniC2×C8C22×AGL(1,𝔽5)
FittingC5×#358C4
socleC22×C5#442
prime radicalC2×#4065C22
cosocleC2×C8×D5C23
hypercenter#358AGL(1,𝔽5)
hypocenterC5#12650
LCSG ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8 ◁ #358

438 conjugacy classes of subgroups; only the 104 normal subgroups are shown.

normal subgroups only

This group has 438 conjugacy classes of subgroups — too many to draw. Only its 104 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=e,b^2=f,c^2=e,d^2=g,e^2=h,f^2=g,g^2=h,b^a=bd,d^a=dg,f^a=fg,g^a=gh,i^a=i^2,c^b=cg,e^b=eh,d^c=dh,f^c=fh,i^c=i^3,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, 1096195);