Finite Group Databasebeta

#12019017

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

Aliases

No aliases for this group.

Splittings

FittingC5×#2153 ⋊ C2
SylowC5 ⋊ #13469

Subgroups

subgroupG/H
centerC2#10601276
commutator, cosocleC22×C5×C8C23
FrattiniC22×C8C22×D5
FittingC5×#2153C2
socleC2×C5#2065
prime radicalC2×#4050C22
hypercenter#2153D5
hypocenterC5#13469
LCSG ▷ C22×C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C22×C4 ◁ #405 ◁ #2153

306 conjugacy classes of subgroups; only the 91 normal subgroups are shown.

normal subgroups only

This group has 306 conjugacy classes of subgroups — too many to draw. Only its 91 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) = 160

Polycyclic presentation:

2^8,5|a^2=de,b^2=d,d^2=g,e^2=g,f^2=g,g^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=egh,f^a=fg,g^a=gh,i^a=i^4,c^b=cf,e^b=eh,f^b=fh,d^c=dg,e^c=egh,f^c=fgh,g^c=gh,i^c=i^4

Conjugacy classes & character table

122 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 89285);