Finite Group Databasebeta

#12020266

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

Aliases

No aliases for this group.

Splittings

FittingC5×#1426 ⋊ C2
SylowC5 ⋊ #13718

Subgroups

subgroupG/H
centerC2#10600143
commutator, cosocleC2×C5×C16C23
FrattiniC2×C16C22×D5
FittingC5×#1426C2
socleC2×C5#2233
prime radicalC22×D5SD32
hypercenter#1426D5
hypocenterC5#13718
LCSG ▷ C2×C5×C16 ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×C8 ◁ C2×C16 ◁ #1426

160 conjugacy classes of subgroups; only the 49 normal subgroups are shown.

normal subgroups only

This group has 160 conjugacy classes of subgroups — too many to draw. Only its 49 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 69
transitive degreeμt(G) = 320

Polycyclic presentation:

2^8,5|a^2=h,c^2=dg,e^2=fg,f^2=gh,g^2=h,b^a=bd,c^a=ce,e^a=ef,f^a=fg,g^a=gh,i^a=i^4,e^b=eh,i^b=i^4,d^c=dh,e^c=efh,f^c=fg,g^c=gh

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, 90534);