Finite Group DatabasebetaFinite Group Databasebeta| order | 640 |
| isoclinism | isoclinic class of #64845 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C42 · Schur multiplier (H2) = C22 |
| direct product | C2×#64860 |
| Sylow | C5 ⋊ C2×#347 |
168 conjugacy classes of subgroups; only the 90 normal subgroups are shown.
This group has 168 conjugacy classes of subgroups — too many to draw. Only its 90 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| transitive degree | μt(G) = 160 |
76 conjugacy classes — view the full character table.
| maximal subgroup of | #13013887, #13013889, #13013890, … |
| maximal normal subgroup of | #13013887, #13013889, #13013890, … |
| maximal quotient of | C2×#10598515, #13022995, #13023049, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(640, 6235);