Finite Group Databasebeta

D5⋊#1795 #13034210

order1280
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

unambiguous semidirect productD5⋊#1795

Splittings

FittingC2×C5×H(5,𝔽2) ⋊ C4
SylowC5 ⋊ C2×#1795

Subgroups

subgroupG/H
centerC2C2×#65800
commutatorC2×C4×C5C23×C4
FrattiniC2×C4C23×AGL(1,𝔽5)
FittingC2×C5×H(5,𝔽2)C4
socleC2×C5C2×#379
prime radicalC2×D5×H(5,𝔽2)C2
cosocleC2×C4×D5C24
hypercenterC2×H(5,𝔽2)AGL(1,𝔽5)
hypocenterC5C2×#1795
LCSG ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C22×C4 ◁ C2×H(5,𝔽2)

3946 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 80

Polycyclic presentation:

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

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72221413, #72221426, #72221450, …
maximal normal subgroup of#72221413, #72221426, #72221450, …
maximal quotient of#72226551

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1104478);