Finite Group Databasebeta

D21×D127 #24922618

order10668
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD21×D127
unambiguous semidirect product(C3×D127)⋊D7
unambiguous semidirect product(C7×D127)⋊D3

Splittings

Fitting, socle, derived, HallC3×C7×C127 ⋊ C22
HallC7×C127 ⋊ C2×D3
HallC3×C127 ⋊ C2×D7
SylowC127 ⋊ C2×D21
HallC3×C7 ⋊ C2×D127
SylowC7 ⋊ D3×D127
SylowC3 ⋊ D7×D127

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C127C22
LCSG ▷ C3×C7×C127
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

780 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD63×D127, #19128624⋊D3, #19128625⋊D3, …
maximal normal subgroup of#19128624⋊D3, #19128625⋊D3, C3⋊AGL(1,𝔽7)×D127, …
maximal quotient ofD63×D127, C3×D21×D127, D381⋊D21, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10668, 59);