Finite Group Databasebeta

D21×C199⋊C3 #38736987

order25074
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C1

Aliases

direct productD21×C199⋊C3
unambiguous semidirect productC3⋊(D7×C199⋊C3)

Splittings

Fitting, socle, derivedC3×C7×C199 ⋊ C2×C3
HallC3×C7×C199⋊C3 ⋊ C2
HallC3×C199⋊C3 ⋊ D7
HallC7×C199 ⋊ C3×D3
SylowC199 ⋊ C3×D21
SylowC7 ⋊ D3×C199⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C199C2×C3
LCSG ▷ C3×C7×C199
UCSC1

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4179

Conjugacy classes & character table

828 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25074, 69);