Finite Group Databasebeta

D3789 #21439028

order7578
automorphismAut(G) order 9548280
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD3789
unambiguous semidirect productC9⋊D421
unambiguous semidirect productC421⋊D9

Splittings

Fitting, derived, HallC9×C421 ⋊ C2
SylowC421 ⋊ D9
SylowC9 ⋊ D421

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC9×C421C2
FrattiniC3D1263
socleC3×C421D3
LCSG ▷ C9×C421
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,3,421,3|b^3=d^2,b^a=b^2d,c^a=c^420,d^a=d^2

Conjugacy classes & character table

1896 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD9×D421, C2×D3789, C5×D3789, …
maximal normal subgroup ofD9×D421, C2×D3789, C5×D3789, …
maximal quotient ofDic3789, C2×D3789, C5×D3789, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7578, 6);