Finite Group DatabasebetaFinite Group Databasebeta| order | 21780 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5 · Schur multiplier (H2) = C2×C11 |
| unambiguous semidirect product | (C3⋊D3)⋊#11925893 |
| Fitting, socle, derived, Hall | C32×C112 ⋊ C22×C5 |
| Hall | C32×#10597245 ⋊ C22 |
| Hall | (C3⋊D3)⋊(C11⋊D11) ⋊ C5 |
| Hall | #10597245 ⋊ D32 |
| Sylow | C112 ⋊ C5×D32 |
| Sylow | C32 ⋊ C2×#11925893 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, cosocle, hypocenter | C32×C112 | C22×C5 |
| LCS | G ▷ C32×C112 | |
| UCS | C1 | |
220 conjugacy classes of subgroups; only the 35 normal subgroups are shown.
This group has 220 conjugacy classes of subgroups — too many to draw. Only its 35 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
Polycyclic presentation:
2^2,5,3^2,11^2|e^a=e^2,f^a=f^10,g^a=g^10,d^b=d^2,e^b=e^2,f^c=f^4,g^c=g^3117 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21780, 495);