Finite Group DatabasebetaFinite Group Databasebeta| order | 640 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| Sylow | C5 ⋊ #2395 |
560 conjugacy classes of subgroups.
| transitive degree | μt(G) = 320 |
Polycyclic presentation:
2^7,5|b^2=f,d^2=e,b^a=be,c^a=cf,c^b=cg,h^b=h^4124 conjugacy classes — view the full character table.
| maximal subgroup of | #11994277, #11994279, #11994282, … |
| maximal normal subgroup of | #11994277, #11994279, #11994282, … |
| maximal quotient of | #12020982, #12020997, #12021016, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(640, 16159);