Finite Group Databasebeta

(C7⋊C9)⋊D289 #49138709

order36414
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C7⋊C9)⋊D289
unambiguous semidirect productC289⋊(D7⋊C9)
unambiguous semidirect productD2023⋊C9

Splittings

derived, HallC7×C289 ⋊ C2×C9
HallC7⋊C9×C289 ⋊ C2
HallD2023 ⋊ C9
SylowC289 ⋊ D7⋊C9
HallC7⋊C9 ⋊ D289
SylowC7 ⋊ C9×D289

Subgroups

subgroupG/H
center, hypercenterC3ΓL(1,𝔽8)⋊D289
commutator, hypocenterC7×C289C2×C9
FrattiniC3×C17C17⋊AGL(1,𝔽7)
Fitting, cosocleC3×C7×C289C2×C3
socleC3×C7×C17C3×D17
prime radicalC3×D2023C3
LCSG ▷ C7×C289
UCSC1 ◁ C3

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 18207

Polycyclic presentation:

2,3,7,17,3,17|b^3=e,d^17=f^16,c^a=c^6,d^a=d^16f,f^a=f^16,c^b=c^2

Conjugacy classes & character table

2181 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(36414, 4);