Finite Group Databasebeta

#12004204

order1280
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #10648

Subgroups

subgroupG/H
centerC22#64964
commutator, cosocleC2×C42×C5C23
FrattiniC2×C42C22×D5
FittingC5×#1307C2
socleC22×C5#397
prime radicalC23×C5#126
hypercenter#1307D5
hypocenterC5#10648
LCSG ▷ C2×C42×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1307

236 conjugacy classes of subgroups; only the 67 normal subgroups are shown.

normal subgroups only

This group has 236 conjugacy classes of subgroups — too many to draw. Only its 67 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=eh,b^2=g,c^2=d,d^2=g,e^2=h,f^2=h,b^a=bd,c^a=ce,f^a=fg,i^a=i^4,c^b=cf,d^b=dg,e^b=eg,f^b=fh,i^b=i^4,e^c=eh,f^c=fgh

Conjugacy classes & character table

83 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 74472);