Finite Group DatabasebetaFinite Group Databasebeta| order | 980 |
| isoclinism | isoclinic class of D5 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C49 · Schur multiplier (H2) = C2 |
| direct product | C2×D5×C49 |
| unambiguous semidirect product | C5⋊(C22×C49) |
| unambiguous semidirect product | (C2×C5)⋊(C2×C49) |
| Fitting | C2×C5×C49 ⋊ C2 |
| derived, Sylow | C5 ⋊ C22×C49 |
| Hall | C5×C49 ⋊ C22 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C49 | D5 |
| commutator, hypocenter | C5 | C22×C49 |
| Frattini | C7 | C2×C7×D5 |
| Fitting | C2×C5×C49 | C2 |
| socle | C2×C5×C7 | C2×C7 |
| prime radical | C2×C7×D5 | C7 |
| cosocle | C5×C7 | C22×C7 |
| LCS | G ▷ C5 | |
| UCS | C1 ◁ C2×C49 | |
30 conjugacy classes of subgroups.
| transitive degree | μt(G) = 490 |
392 conjugacy classes. The character table is too large to display.
| maximal subgroup of | D5×Dic49, #14519915, #14519916, … |
| maximal normal subgroup of | D5×Dic49, #14519915, #14519916, … |
| maximal quotient of | Dic10×C49, C4×D5×C49, D20×C49, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(980, 9);