Finite Group Databasebeta

D5⋊#2169 #13043510

order1280
automorphism?
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect productD5⋊#2169

Splittings

SylowC5 ⋊ C2×#2169

Subgroups

subgroupG/H
centerC2×C8C22×AGL(1,𝔽5)
commutator, socleC22×C5C23×C8
FrattiniC2×C4C23×AGL(1,𝔽5)
FittingC5×C8×D4C4
prime radicalC2×D4×D5C8
cosocleC2×#168C24
hypercenterC8×D4AGL(1,𝔽5)
hypocenterC5C2×#2169
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C2×C8 ◁ C8×D4

742 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 320

Polycyclic presentation:

2^8,5|a^2=f,c^2=f,f^2=g,g^2=h,b^a=be,c^a=ch,i^a=i^3,c^b=ch,i^c=i^2,i^d=i^4,i^f=i^4

Conjugacy classes & character table

152 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1113778);