Finite Group Databasebeta

C7⋊C9×C251 #30629067

order15813
isoclinismisoclinic class of ΓL(1,𝔽8)
automorphism?
homologyAbelianization (H1) = C9×C251 · Schur multiplier (H2) = C1

Aliases

direct productC7⋊C9×C251
unambiguous semidirect productC7⋊(C9×C251)
unambiguous semidirect product(C7×C251)⋊C9

Splittings

derived, SylowC7 ⋊ C9×C251
HallC7×C251 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC3×C251ΓL(1,𝔽8)
commutator, hypocenterC7C9×C251
FrattiniC3ΓL(1,𝔽8)×C251
Fitting, socle, prime radicalC3×C7×C251C3
cosocleC3×C7C3×C251
LCSG ▷ C7
UCSC1 ◁ C3×C251

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15813

Conjugacy classes & character table

3765 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×C7⋊C9×C251, C7⋊C9×D251, D7⋊C9×C251, …
maximal normal subgroup ofC2×C7⋊C9×C251, C7⋊C9×D251, D7⋊C9×C251, …
maximal quotient ofC2×C7⋊C9×C251

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15813, 2);