Finite Group DatabasebetaFinite Group Databasebeta| order | 7828 |
| isoclinism | isoclinic class of D19 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C103 · Schur multiplier (H2) = C1 |
| direct product | Dic19×C103 |
| unambiguous semidirect product | C19⋊(C4×C103) |
| derived, Sylow | C19 ⋊ C4×C103 |
| Hall | C19×C103 ⋊ C4 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C103 | D19 |
| commutator, hypocenter | C19 | C4×C103 |
| Frattini | C2 | D19×C103 |
| Fitting, socle | C2×C19×C103 | C2 |
| LCS | G ▷ C19 | |
| UCS | C1 ◁ C2×C103 | |
12 conjugacy classes of subgroups.
2266 conjugacy classes. The character table is too large to display.
| maximal subgroup of | C3×Dic19×C103, C103×Dic57, Dic19×C103⋊C3, … |
| maximal normal subgroup of | C3×Dic19×C103, Dic19×C103⋊C3, C103×(C19⋊C3)⋊C4, … |
| maximal quotient of | C3×Dic19×C103, C103×Dic57 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(7828, 2);