Finite Group Databasebeta

D3971 #22547271

order7942
automorphismAut(G) order 13580820
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD3971
unambiguous semidirect productC11⋊D361
unambiguous semidirect productC361⋊D11

Splittings

Fitting, derived, HallC11×C361 ⋊ C2
SylowC361 ⋊ D11
SylowC11 ⋊ D361

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC11×C361C2
FrattiniC19D209
socleC11×C19D19
LCSG ▷ C11×C361
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,11,19^2|c^19=d^18,b^a=b^10,c^a=c^18d,d^a=d^18

Conjugacy classes & character table

1987 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD11×D361, C2×D3971, C11⋊(D361⋊C3), …
maximal normal subgroup ofD11×D361, C2×D3971, C11⋊(D361⋊C3), …
maximal quotient ofDic3971, C2×D3971, C3×D3971, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7942, 4);