Finite Group Databasebeta

SL(2,𝔽3)×D21 #11759506

order1008
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C1

Aliases

direct productSL(2,𝔽3)×D21
unambiguous semidirect productC3⋊(D7×SL(2,𝔽3))

Splittings

Fitting, derivedC3×C7×Q8 ⋊ C2×C3
SylowC7 ⋊ D3×SL(2,𝔽3)

Subgroups

subgroupG/H
center, Frattini, hypercenterC2A4×D21
commutator, Fitting, cosocle, hypocenterC3×C7×Q8C2×C3
socleC2×C3×C7C2×A4
LCSG ▷ C3×C7×Q8
UCSC1 ◁ C2

78 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 168

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD21×#997, SL(2,𝔽3)×C3⋊AGL(1,𝔽7), D3×D7×SL(2,𝔽3)
maximal normal subgroup ofSL(2,𝔽3)×C3⋊AGL(1,𝔽7), D3×D7×SL(2,𝔽3)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1008, 677);