Finite Group DatabasebetaFinite Group Databasebeta| order | 980 |
| isoclinism | isoclinic class of D5 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C72 · Schur multiplier (H2) = C2×C7 |
| direct product | C2×C72×D5 |
| unambiguous semidirect product | C5⋊(C22×C72) |
| unambiguous semidirect product | (C2×C5)⋊(C2×C72) |
| Fitting, socle | C2×C5×C72 ⋊ C2 |
| derived, Sylow | C5 ⋊ C22×C72 |
| Hall | C5×C72 ⋊ C22 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C72 | D5 |
| commutator, cosocle, hypocenter | C5 | C22×C72 |
| Frattini | C1 | G |
| Fitting, socle | C2×C5×C72 | C2 |
| LCS | G ▷ C5 | |
| UCS | C1 ◁ C2×C72 | |
100 conjugacy classes of subgroups.
| transitive degree | μt(G) = 490 |
392 conjugacy classes. The character table is too large to display.
| maximal subgroup of | C7×D5×Dic7, C7×#63305, C7×#63307, … |
| maximal normal subgroup of | C7×D5×Dic7, C7×#63305, C7×#63307, … |
| maximal quotient of | C72×Dic10, C4×C72×D5, C72×D20, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(980, 31);