Finite Group Databasebeta

#10587721⋊D7 #21439637

order7644
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#10587721⋊D7

Splittings

Fitting, socle, derived, HallC72×C13 ⋊ C22×C3
HallD7×D91 ⋊ C3
HallC7×#63271 ⋊ C22
SylowC72 ⋊ C2×D13⋊C3
SylowC13 ⋊ D7×AGL(1,𝔽7)

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC72×C13C22×C3
LCSG ▷ C72×C13
UCSC1

84 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,3,7^2,13|e^a=e^6,f^a=f^12,d^b=d^6,d^c=d^2,f^c=f^9

Conjugacy classes & character table

105 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#37524921, #37524925, #37524926, …
maximal normal subgroup of#37524921, #37524925, #37524926, …
maximal quotient of#13109901⋊D7, C3×#10587721⋊D7, #37525200, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7644, 206);