Finite Group Databasebeta

#13025168

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

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #12038

Subgroups

subgroupG/H
centerC2×C4D4×AGL(1,𝔽5)
commutatorC2×C4×C5C22×C8
FrattiniC42C22×AGL(1,𝔽5)
FittingC5×#335C4
socleC22×C5C8×D4
prime radicalC2×D40C8
cosocleC4×#168C23
hypercenter#335AGL(1,𝔽5)
hypocenterC5#12038
LCSG ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C42 ◁ #335

244 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 244 conjugacy classes of subgroups — too many to draw. Only its 78 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=e,d^2=f,e^2=g,g^2=h,b^a=bd,c^a=ch,d^a=df,i^a=i^3,d^b=df,i^b=i^4,i^c=i^2,i^e=i^4

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1095436);