| order | 21780 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5×C9 · Schur multiplier (H2) = C2×C11 |
| direct product | C2×C5×(C11⋊D11)⋊C9 |
| unambiguous semidirect product | (C2×C5×C11⋊D11)⋊C9 |
| derived, Sylow | C112 ⋊ C22×C5×C9 |
| Hall | C5×C112⋊C9 ⋊ C22 |
| Hall | C2×C5×C11⋊D11 ⋊ C9 |
| Hall | C112⋊C9 ⋊ C22×C5 |
| Hall | C5×C112 ⋊ C22×C9 |
| Hall | C2×C11⋊D11 ⋊ C5×C9 |
140 conjugacy classes of subgroups.
780 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21780, 255);