Finite Group Databasebeta

#13019420

order1280
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC5×#493 ⋊ C4
SylowC5 ⋊ #9061

Subgroups

subgroupG/H
centerC22#65779
commutatorC42×C5C22×C4
FrattiniC42C22×AGL(1,𝔽5)
FittingC5×#493C4
socleC22×C5#386
prime radicalD5×#493C2
cosocleC42×D5C23
hypercenter#493AGL(1,𝔽5)
hypocenterC5#9061
LCSG ▷ C42×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C42 ◁ #493

822 conjugacy classes of subgroups; only the 106 normal subgroups are shown.

normal subgroups only

This group has 822 conjugacy classes of subgroups — too many to draw. Only its 106 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=f,b^2=dfg,d^2=g,e^2=gh,f^2=g,b^a=bd,c^a=ce,e^a=eh,i^a=i^3,d^b=dg,e^b=eg,f^b=fg,i^b=i^2,d^c=dg,e^c=egh,f^c=fg,i^f=i^4

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×#1619
maximal normal subgroup ofAGL(1,𝔽5)×#1619
maximal quotient of#72221557, #72221558

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1089688);