Finite Group Databasebeta

(C277⋊C9)⋊D7 #46853183

order34902
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C277⋊C9)⋊D7

Splittings

derived, HallC7×C277 ⋊ C2×C9
HallC7×C277⋊C9 ⋊ C2
HallD1939 ⋊ C9
HallC277⋊C9 ⋊ D7
SylowC277 ⋊ C9×D7
SylowC7 ⋊ D277⋊C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3(C277⋊C3)⋊D7
commutator, hypocenterC7×C277C2×C9
Fitting, socle, cosocleC3×C7×C277C2×C3
prime radicalC3×D1939C3
LCSG ▷ C7×C277
UCSC1 ◁ C3

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 17451

Polycyclic presentation:

2,3,7,277,3|b^3=e,c^a=c^6,d^a=d^276,d^b=d^116

Conjugacy classes & character table

1011 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(34902, 21);