Finite Group Databasebeta

#87721⋊C5 #14522201

order2000
automorphism?
homologyAbelianization (H1) = C22×C5 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#87721⋊C5

Splittings

Sylow5−1+2 ⋊ SD16

Subgroups

subgroupG/H
centerC2C22⋊(D25⋊C5)
commutator, cosocleC4×C25C22×C5
FrattiniC4×C5C2×C5×D5
FittingD4×5−1+2C2
socleC2×C5C5×C22⋊D5
prime radicalC52×D4D5
hypercenterD4D25⋊C5
hypocenterC25C5×SD16
LCSG ▷ C4×C25 ▷ C2×C25 ▷ C25
UCSC1 ◁ C2 ◁ C4 ◁ D4

76 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 200

Polycyclic presentation:

2^2,5,2^2,5^2|a^2=e,d^2=e,f^5=g,b^a=bd,d^a=de,f^a=f^4g^4,g^a=g^4,d^b=de,f^c=fg^4

Conjugacy classes & character table

95 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofSD16×D25⋊C5, #72275753, #72275754
maximal normal subgroup ofSD16×D25⋊C5, #72275753, #72275754

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2000, 164);