Finite Group Databasebeta

C7×D21×D53 #44528458

order31164
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×D21×D53
unambiguous semidirect product(C3×D53)⋊(C7×D7)
unambiguous semidirect product(C7×D53)⋊(D3×C7)

Splittings

Fitting, socle, HallC3×C72×C53 ⋊ C22
derivedC3×C7×C53 ⋊ C22×C7
HallC72×C53 ⋊ C2×D3
HallC3×C53 ⋊ C2×C7×D7
HallC3×C72 ⋊ C2×D53
SylowC53 ⋊ C2×C7×D21
SylowC72 ⋊ D3×D53
SylowC3 ⋊ C7×D7×D53

Subgroups

subgroupG/H
center, hypercenterC7D21×D53
commutator, cosocle, hypocenterC3×C7×C53C22×C7
FrattiniC1G
Fitting, socleC3×C72×C53C22
LCSG ▷ C3×C7×C53
UCSC1 ◁ C7

104 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2226

Conjugacy classes & character table

2352 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31164, 150);