Finite Group DatabasebetaFinite Group Databasebeta| order | 21900 |
| automorphism | ? |
| homology | Abelianization (H1) = C22 · Schur multiplier (H2) = C2 |
| unambiguous semidirect product | D15⋊D365 |
| Fitting, socle, derived, Hall | C3×C52×C73 ⋊ C22 |
| Hall | C52×C73 ⋊ C2×D3 |
| Hall | C3×C73 ⋊ D52 |
| Hall | C3×C52 ⋊ C2×D73 |
| Sylow | C73 ⋊ D15⋊D5 |
| Sylow | C52 ⋊ D3×D73 |
| Sylow | C3 ⋊ D5×D365 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, cosocle, hypocenter | C3×C52×C73 | C22 |
| LCS | G ▷ C3×C52×C73 | |
| UCS | C1 | |
96 conjugacy classes of subgroups.
| transitive degree | μt(G) = 2190 |
Polycyclic presentation:
2^2,3,5^2,73|d^a=d^4,e^a=e^4,f^a=f^72,c^b=c^2,d^b=d^41650 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21900, 185);