Finite Group Databasebeta

#13014550

order1280
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

FittingC5×#330 ⋊ C4
SylowC5 ⋊ #7523

Subgroups

subgroupG/H
centerC2#10598575
commutatorC5×#125C2×C4
Frattini#125C2×AGL(1,𝔽5)
FittingC5×#330C4
socleC2×C5#1404
prime radical#10599163C2
cosocle#65356C22
hypercenter#330AGL(1,𝔽5)
hypocenterC5#7523
LCSG ▷ C5×#125 ▷ C42×C5 ▷ C2×C4×C5 ▷ C22×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C22 ◁ C2×C4 ◁ C42 ◁ #125 ◁ #330

158 conjugacy classes of subgroups; only the 22 normal subgroups are shown.

normal subgroups only

This group has 158 conjugacy classes of subgroups — too many to draw. Only its 22 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) = 80

Polycyclic presentation:

2^8,5|a^2=d,c^2=g,e^2=gh,f^2=h,b^a=bc,c^a=ce,e^a=ef,f^a=fg,g^a=gh,i^a=i^2,c^b=cg,d^b=deh,e^b=egh,f^b=fg,i^b=i^4,d^c=dfg,e^c=eg,f^c=fh,e^d=egh,f^d=fh,i^d=i^4

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1084818);