Finite Group Databasebeta

C7⋊C9×C277 #31775348

order17451
isoclinismisoclinic class of ΓL(1,𝔽8)
automorphism?
homologyAbelianization (H1) = C9×C277 · Schur multiplier (H2) = C1

Aliases

direct productC7⋊C9×C277
unambiguous semidirect productC7⋊(C9×C277)

Splittings

derived, SylowC7 ⋊ C9×C277
HallC7×C277 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC3×C277ΓL(1,𝔽8)
commutator, hypocenterC7C9×C277
FrattiniC3ΓL(1,𝔽8)×C277
Fitting, socle, prime radicalC3×C7×C277C3
cosocleC3×C7C3×C277
LCSG ▷ C7
UCSC1 ◁ C3×C277

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 17451

Conjugacy classes & character table

4155 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×C7⋊C9×C277, C7⋊C9×D277, D7⋊C9×C277, …
maximal normal subgroup ofC2×C7⋊C9×C277, C7⋊C9×D277, D7⋊C9×C277, …
maximal quotient ofC2×C7⋊C9×C277

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17451, 2);