Finite Group Databasebeta

C2×(C7⋊C9)⋊D71 #31822009

order17892
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×(C7⋊C9)⋊D71
unambiguous semidirect product(C2×C7⋊C9)⋊D71
unambiguous semidirect product(C2×C71)⋊(D7⋊C9)
unambiguous semidirect product(C2×D497)⋊C9

Splittings

derived, HallC7×C71 ⋊ C22×C9
HallC7⋊C9×C71 ⋊ C22
HallC2×D497 ⋊ C9
SylowC71 ⋊ C2×D7⋊C9
HallC7⋊C9 ⋊ C2×D71
SylowC7 ⋊ C2×C9×D71

Subgroups

subgroupG/H
center, hypercenterC2×C3ΓL(1,𝔽8)⋊D71
commutator, hypocenterC7×C71C22×C9
FrattiniC3C2×ΓL(1,𝔽8)⋊D71
Fitting, socleC2×C3×C7×C71C2×C3
prime radicalC2×C3×D497C3
cosocleC3×C7×C71C22×C3
LCSG ▷ C7×C71
UCSC1 ◁ C2×C3

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8946

Conjugacy classes & character table

1092 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17892, 26);