Finite Group Databasebeta

#12020165

order1280
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC5×#2258 ⋊ C2
SylowC5 ⋊ #13700

Subgroups

subgroupG/H
centerC2#10602206
commutator, cosocleC2×C5×C16C23
FrattiniC2×C16C22×D5
FittingC5×#2258C2
socleC2×C5#2215
hypercenter#2258D5
hypocenterC5#13700
LCSG ▷ C2×C5×C16 ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C2×C4 ◁ #131 ◁ #504 ◁ #2258

188 conjugacy classes of subgroups; only the 59 normal subgroups are shown.

normal subgroups only

This group has 188 conjugacy classes of subgroups — too many to draw. Only its 59 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|b^2=df,d^2=fg,e^2=h,f^2=gh,g^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eh,f^a=fg,g^a=gh,i^a=i^4,e^c=eh

Conjugacy classes & character table

206 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 90433);