Fano fourfolds of type A beta

zero loci on products of type A Grassmannians and flag varieties

Ambient: ℙ2P2 × ℙ3P3 × ℙ5P5 203050

8 families with a presentation in this ambient variety. ← back to list

family bundle $\mathrm{h}^{1,1}$ $\mathrm{h}^{1,2}$ $\mathrm{h}^{1,3}$ $\mathrm{h}^{2,2}$ $\mathrm{h}^0(X, \omega_X^\vee)$ $\operatorname{vol}(X) = \mathrm{c}_1^4$ $\chi(X, \mathrm{T}_X)$
3-178-42-d E^(w4 + w6) + E^(w1 + w3) + E^(w2 + w6) 3 0 0 9 42 178 -5
3-336-72-d E^(w5 + w6) + E^(w1 + w3) + E^(w2 + w6) 3 0 0 5 72 336 7
3-173-41-a E^(w5 + w6) + E^(w1 + 2w3) + E^(w2 + w6) 3 0 0 15 41 173 -11
3-172-41-b E^(w3 + w6) + E^(w5 + w6) + E^(w1 + w6) + E^(w1 + w3) 3 0 0 12 41 172 -9
4-286-63-b E^(2w6) + E^(w5 + w6) + E^(w2 + w3) 4 0 0 6 63 286 4
3-384-81-c E^(w5 + w6) + E^(w1 + w6) + E^(w2 + w3) 3 0 0 5 81 384 10
3-149-37-a E^(w5 + w6) + E^(w1 + 2w6) + E^(w2 + w3) 3 0 1 24 37 149 -21
4-178-42-b E^(2w6) + E^(w5 + w6) + 2 copies of E^(w1 + w3) 4 0 0 12 42 178 -5