Finite Group Databasebeta

D7×#11758279⋊C2 #42117356

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

Aliases

direct productD7×#11758279⋊C2
unambiguous semidirect product(C7×#11758279⋊C2)⋊C2
unambiguous semidirect product(D7×#11758279)⋊C2
unambiguous semidirect product(#11758279⋊D7)⋊C2

Splittings

derived, HallC7×C109 ⋊ C22×C9
HallC7×#11758279 ⋊ C22
HallD7×D109 ⋊ C9
Hall#11758279 ⋊ C2×D7
SylowC109 ⋊ C2×C9×D7
SylowC7 ⋊ C2×#11758279⋊C2

Subgroups

subgroupG/H
center, Frattini, hypercenterC3D7×D109⋊C3
commutator, hypocenterC7×C109C22×C9
Fitting, socle, cosocleC3×C7×C109C22×C3
prime radicalC3×D7×D109C3
LCSG ▷ C7×C109
UCSC1 ◁ C3

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6867

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(27468, 37);