Finite Group Databasebeta

D7×#14555740 #44527788

order31122
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

direct productD7×#14555740

Splittings

Fitting, socle, derived, HallC7×C13×C19 ⋊ C2×C9
HallC7×#14555740 ⋊ C2
HallC13×D7×C19 ⋊ C9
HallD7×C19 ⋊ C13⋊C9
HallC13×C19 ⋊ C9×D7
HallC13×D7 ⋊ #4296
HallC7×C19 ⋊ C2×C13⋊C9
HallC7×C13 ⋊ C2×#4296
SylowC19 ⋊ D7×C13⋊C9
SylowC13 ⋊ D7×#4296
SylowC7 ⋊ C2×#14555740

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC7×C13×C19C2×C9
prime radicalC13×D7×C19⋊C3C3
cosocleC7×C13×C19⋊C3C2×C3
LCSG ▷ C7×C13×C19
UCSC1

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1729

Conjugacy classes & character table

235 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31122, 271);