Finite Group Databasebeta

D21×C19⋊D19 #44476697

order30324
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2×C19

Aliases

direct productD21×C19⋊D19

Splittings

Fitting, socle, derived, HallC3×C7×C192 ⋊ C22
HallC7×C192 ⋊ C2×D3
HallC3×C192 ⋊ C2×D7
SylowC192 ⋊ C2×D21
HallC3×C7 ⋊ C2×C19⋊D19
SylowC7 ⋊ D3×C19⋊D19
SylowC3 ⋊ D7×C19⋊D19

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C192C22
LCSG ▷ C3×C7×C192
UCSC1

440 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7581

Conjugacy classes & character table

2184 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30324, 280);