Finite Group Databasebeta

#12013455

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

Aliases

No aliases for this group.

Splittings

FittingC5×#1707 ⋊ C2
SylowC5 ⋊ #12422

Subgroups

subgroupG/H
centerC22#65361
commutator, cosocleC4×C5×C8C23
FrattiniC4×C8C22×D5
FittingC5×#1707C2
socleC22×C5#459
prime radicalC2×D40D4
hypercenter#1707D5
hypocenterC5#12422
LCSG ▷ C4×C5×C8 ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C42 ◁ C82 ◁ #1707

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

normal subgroups only

This group has 234 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=h,b^2=dh,d^2=f,e^2=gh,g^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eg,g^a=gh,e^c=eg,g^c=gh,i^c=i^4

Conjugacy classes & character table

119 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 83723);