Finite Group Databasebeta

C7⋊C9×D251 #44539429

order31626
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

direct productC7⋊C9×D251
unambiguous semidirect productC251⋊(C2×C7⋊C9)
unambiguous semidirect product(C7×D251)⋊C9

Splittings

derived, HallC7×C251 ⋊ C2×C9
HallC7⋊C9×C251 ⋊ C2
HallC7×D251 ⋊ C9
SylowC251 ⋊ C2×C7⋊C9
SylowC7 ⋊ C9×D251

Subgroups

subgroupG/H
center, Frattini, hypercenterC3ΓL(1,𝔽8)×D251
commutator, hypocenterC7×C251C2×C9
Fitting, socle, cosocleC3×C7×C251C2×C3
prime radicalC3×C7×D251C3
LCSG ▷ C7×C251
UCSC1 ◁ C3

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15813

Conjugacy classes & character table

1905 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31626, 10);