Finite Group Databasebeta

D7⋊C9×C211 #40998083

order26586
automorphism?
homologyAbelianization (H1) = C2×C9×C211 · Schur multiplier (H2) = C1

Aliases

direct productD7⋊C9×C211
unambiguous semidirect productD7⋊(C9×C211)
unambiguous semidirect product(C7⋊C9)⋊(C2×C211)

Splittings

derived, SylowC7 ⋊ C2×C9×C211
HallC7⋊C9×C211 ⋊ C2
HallD7×C211 ⋊ C9
HallC7×C211 ⋊ C2×C9
HallC7⋊C9 ⋊ C2×C211
HallD7 ⋊ C9×C211

Subgroups

subgroupG/H
center, hypercenterC3×C211AGL(1,𝔽7)
commutator, hypocenterC7C2×C9×C211
FrattiniC3AGL(1,𝔽7)×C211
Fitting, socleC3×C7×C211C2×C3
prime radicalC3×D7×C211C3
cosocleC3×C7C2×C3×C211
LCSG ▷ C7
UCSC1 ◁ C3×C211

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 13293

Conjugacy classes & character table

4431 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26586, 23);