Finite Group Databasebeta

D5⋊#2126 #13043240

order1280
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

unambiguous semidirect productD5⋊#2126

Splittings

FittingC5×#532 ⋊ C4
SylowC5 ⋊ C2×#2126

Subgroups

subgroupG/H
centerC4D5⋊#99
commutatorC2×C4×C5C23×C4
FrattiniC2×C4C23×AGL(1,𝔽5)
FittingC5×#532C4
socleC2×C5C22×#99
prime radicalD5×#532C2
cosocleC2×D20C24
hypercenter#532AGL(1,𝔽5)
hypocenterC5C2×#2126
LCSG ▷ C2×C4×C5 ▷ C22×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C4 ◁ C2×C4 ◁ C2×#41 ◁ #532

1338 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 80

Polycyclic presentation:

2^8,5|a^2=f,c^2=h,e^2=h,b^a=be,e^a=eg,g^a=gh,i^a=i^2,e^b=eh,f^b=fgh,i^d=i^4,f^e=fh,i^f=i^4

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1113508);