Finite Group Databasebeta

#20262472⋊C4 #38737198

order25100
automorphism?
homologyAbelianization (H1) = C4×C25 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#20262472⋊C4

Splittings

derived, SylowC251 ⋊ C4×C25
Hall#20262472 ⋊ C4
HallDic251 ⋊ C25

Subgroups

subgroupG/H
center, Frattini, hypercenterC2×C5D251⋊C5
commutator, hypocenterC251C4×C25
Fitting, socle, prime radical, cosocleC2×C5×C251C2×C5
LCSG ▷ C251
UCSC1 ◁ C2×C5

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 25100

Polycyclic presentation:

2,5,251,2,5|a^2=d,b^5=e,c^a=c^250,c^b=c^219

Conjugacy classes & character table

350 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25100, 2);