Finite Group DatabasebetaFinite Group Databasebeta| order | 640 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C26 |
| direct product | C2×#65415 |
| Fitting | C22×C5×M16 ⋊ C2 |
| Sylow | C5 ⋊ C2×#407 |
1008 conjugacy classes of subgroups; only the 285 normal subgroups are shown.
This group has 1008 conjugacy classes of subgroups — too many to draw. Only its 285 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| transitive degree | μt(G) = 160 |
136 conjugacy classes — view the full character table.
| maximal subgroup of | #12004530, #12004537, #12004540, … |
| maximal normal subgroup of | #12004530, #12004537, #12004540, … |
| maximal quotient of | C2×#10600760, C2×#10600764, C2×#10601619, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(640, 17573);