Finite Group Databasebeta

#12019137

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

Aliases

No aliases for this group.

Splittings

FittingC5×#1379 ⋊ C2
SylowC5 ⋊ #13489

Subgroups

subgroupG/H
centerC4#65026
commutator, cosocleC22×C5×C8C23
FrattiniC22×C8C22×D5
FittingC5×#1379C2
socleC2×C5#2073
prime radicalC2×#4050C22
hypercenter#1379D5
hypocenterC5#13489
LCSG ▷ C22×C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C4 ◁ C22×C4 ◁ #405 ◁ #1379

278 conjugacy classes of subgroups; only the 81 normal subgroups are shown.

normal subgroups only

This group has 278 conjugacy classes of subgroups — too many to draw. Only its 81 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=eg,c^2=d,e^2=h,f^2=gh,g^2=h,b^a=bd,c^a=ce,d^a=dh,c^b=cf,f^b=fg,g^b=gh,i^b=i^4,f^c=fg,g^c=gh,i^c=i^4

Conjugacy classes & character table

152 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 89405);