Finite Group Databasebeta

D21×D195 #30655737

order16380
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD21×D195

Splittings

Fitting, socle, derived, HallC32×C5×C7×C13 ⋊ C22
HallC32×C7×C13 ⋊ C2×D5
HallC32×C5×C13 ⋊ C2×D7
HallC5×C7×C13 ⋊ D32
HallC32×C5×C7 ⋊ C2×D13
HallC32×C13 ⋊ D5×D7
HallC7×C13 ⋊ D3×D15
HallC5×C13 ⋊ D3×D21
HallC32×C7 ⋊ C2×D65
HallC32×C5 ⋊ D7×D13
HallC5×C7 ⋊ D3×D39
SylowC13 ⋊ D15×D21
SylowC32 ⋊ D7×D65
SylowC7 ⋊ D3×D195
SylowC5 ⋊ D21×D39

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC32×C5×C7×C13C22
LCSG ▷ C32×C5×C7×C13
UCSC1

176 conjugacy classes of subgroups; only the 46 normal subgroups are shown.

normal subgroups only

This group has 176 conjugacy classes of subgroups — too many to draw. Only its 46 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2730

Conjugacy classes & character table

1188 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16380, 787);