Finite Group Databasebeta

#19129334⋊C2 #24925448

order10836
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#19129334⋊C2
unambiguous semidirect product#19129338⋊C2
unambiguous semidirect product#19129340⋊C2

Splittings

derived, HallC7×C43 ⋊ C22×C9
Hall#14582151 ⋊ C22
HallD7×D43 ⋊ C9
SylowC43 ⋊ C2×D7⋊C9
SylowC7 ⋊ C2×D43⋊C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3#14268588⋊C2
commutator, hypocenterC7×C43C22×C9
Fitting, socle, cosocleC3×C7×C43C22×C3
prime radicalC3×D7×D43C3
LCSG ▷ C7×C43
UCSC1 ◁ C3

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,3,7,43,3|c^3=f,e^a=e^42,d^b=d^6,d^c=d^2,e^c=e^36

Conjugacy classes & character table

147 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10836, 40);