Finite Group Databasebeta

D5⋊#2970 #13044875

order1280
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

unambiguous semidirect productD5⋊#2970

Splittings

SylowC5 ⋊ C2×#2970

Subgroups

subgroupG/H
centerC2×C4C23×AGL(1,𝔽5)
commutator, socleC22×C5C24×C4
FrattiniC22C24×AGL(1,𝔽5)
FittingC4×C5×#41C4
prime radicalC2×D5×#41C4
cosocleC2×Dic5C25
hypercenterC4×#41AGL(1,𝔽5)
hypocenterC5C2×#2970
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C4×#41

2254 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 320

Polycyclic presentation:

2^8,5|a^2=g,c^2=g,d^2=f,g^2=h,b^a=bf,d^a=dh,i^a=i^3,d^c=dh,i^c=i^2,i^e=i^4,i^g=i^4

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×#2970, #72269233
maximal normal subgroup ofAGL(1,𝔽5)×#2970, #72269233

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1115143);