Finite Group Databasebeta

#13027411

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

Aliases

No aliases for this group.

Splittings

FittingC5×#493 ⋊ C4
SylowC5 ⋊ #13261

Subgroups

subgroupG/H
centerC2#10604613
commutatorC2×C5×C8C22×C4
FrattiniC2×C8C22×AGL(1,𝔽5)
FittingC5×#493C4
socleC2×C5#1982
prime radicalD5×#493C2
cosocleC2×C8×D5C23
hypercenter#493AGL(1,𝔽5)
hypocenterC5#13261
LCSG ▷ C2×C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C2×C4 ◁ C4×C8 ◁ #493

566 conjugacy classes of subgroups; only the 92 normal subgroups are shown.

normal subgroups only

This group has 566 conjugacy classes of subgroups — too many to draw. Only its 92 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=f,b^2=dfg,c^2=eh,d^2=gh,e^2=h,f^2=gh,g^2=h,b^a=bd,c^a=ce,e^a=eh,i^a=i^3,d^b=dg,f^b=fg,g^b=gh,i^b=i^2,i^f=i^4

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×#2213, #72221496, #72221498, …
maximal normal subgroup ofAGL(1,𝔽5)×#2213, #72221496, #72221498, …
maximal quotient of#72223157

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1097679);