Finite Group DatabasebetaFinite Group Databasebeta| order | 7820 |
| isoclinism | isoclinic class of D85 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C23 · Schur multiplier (H2) = C1 |
| direct product | C23×Dic85 |
| derived, Hall | C5×C17 ⋊ C4×C23 |
| Hall | C5×C17×C23 ⋊ C4 |
| Hall | C17×C23 ⋊ Dic5 |
| Hall | C5×C23 ⋊ Dic17 |
| Sylow | C17 ⋊ Dic5×C23 |
| Sylow | C5 ⋊ C23×Dic17 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C23 | D85 |
| commutator, hypocenter | C5×C17 | C4×C23 |
| Frattini | C2 | C23×D85 |
| Fitting, socle | C2×C5×C17×C23 | C2 |
| LCS | G ▷ C5×C17 | |
| UCS | C1 ◁ C2×C23 | |
24 conjugacy classes of subgroups.
2024 conjugacy classes. The character table is too large to display.
| maximal subgroup of | C3×C23×Dic85, C23×Dic255 |
| maximal normal subgroup of | C3×C23×Dic85 |
| maximal quotient of | C3×C23×Dic85, C23×Dic255 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(7820, 7);