| order | 21780 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C9 · Schur multiplier (H2) = C2×C11 |
| direct product | C2×C5⋊((C11⋊D11)⋊C9) |
| unambiguous semidirect product | (C2×C5)⋊((C11⋊D11)⋊C9) |
| unambiguous semidirect product | (C2×C5⋊(C11⋊D11))⋊C9 |
| derived, Hall | C5×C112 ⋊ C22×C9 |
| Hall | C5×C112⋊C9 ⋊ C22 |
| Hall | C2×C5⋊(C11⋊D11) ⋊ C9 |
| Hall | C112⋊C9 ⋊ C2×D5 |
| Sylow | C112 ⋊ C2×C9×D5 |
| Sylow | C5 ⋊ C2×(C11⋊D11)⋊C9 |
140 conjugacy classes of subgroups.
672 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21780, 257);