Finite Group Databasebeta

D13×D21 #11764008

order1092
isoclinismisoclinic class of D13×D21
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD13×D21
unambiguous semidirect product(C3×D13)⋊D7
unambiguous semidirect product(C7×D13)⋊D3

Splittings

Fitting, socle, derived, HallC3×C7×C13 ⋊ C22
HallC7×C13 ⋊ C2×D3
HallC3×C13 ⋊ C2×D7
HallC3×C7 ⋊ C2×D13
SylowC13 ⋊ C2×D21
SylowC7 ⋊ D3×D13
SylowC3 ⋊ D7×D13

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C13C22
LCSG ▷ C3×C7×C13
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 273

Conjugacy classes & character table

96 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD13×D63, #10587716⋊D3, #10587717⋊D3, …
maximal normal subgroup of#10587716⋊D3, #10587717⋊D3, D13×C3⋊AGL(1,𝔽7), …
maximal quotient ofD13×D63, C3×D13×D21, D13×C3⋊D21, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1092, 56);