Finite Group Databasebeta

C19⋊D817 #44526873

order31046
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C19

Aliases

unambiguous semidirect productC19⋊D817
unambiguous semidirect productC43⋊(C19⋊D19)

Splittings

Fitting, socle, derived, HallC192×C43 ⋊ C2
SylowC192 ⋊ D43
SylowC43 ⋊ C19⋊D19

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC192×C43C2
LCSG ▷ C192×C43
UCSC1

88 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15523

Polycyclic presentation:

2,19^2,43|b^a=b^18,c^a=c^18,d^a=d^42

Conjugacy classes & character table

7763 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31046, 10);