Finite Group Databasebeta

C2×C109×D7⋊C9 #42117358

order27468
automorphism?
homologyAbelianization (H1) = C22×C9×C109 · Schur multiplier (H2) = C2

Aliases

direct productC2×C109×D7⋊C9
unambiguous semidirect productD7⋊(C2×C9×C109)
unambiguous semidirect product(C2×D7)⋊(C9×C109)
unambiguous semidirect product(C7⋊C9)⋊(C22×C109)
unambiguous semidirect product(C2×C7⋊C9)⋊(C2×C109)

Splittings

derived, SylowC7 ⋊ C22×C9×C109
HallC7⋊C9×C109 ⋊ C22
HallC2×D7×C109 ⋊ C9
HallC7×C109 ⋊ C22×C9
HallC7⋊C9 ⋊ C22×C109
HallC2×D7 ⋊ C9×C109

Subgroups

subgroupG/H
center, hypercenterC2×C3×C109AGL(1,𝔽7)
commutator, hypocenterC7C22×C9×C109
FrattiniC3C2×AGL(1,𝔽7)×C109
Fitting, socleC2×C3×C7×C109C2×C3
prime radicalC2×C3×D7×C109C3
cosocleC3×C7C22×C3×C109
LCSG ▷ C7
UCSC1 ◁ C2×C3×C109

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 13734

Conjugacy classes & character table

4578 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(27468, 39);