Fano fourfolds of type A beta

zero loci on products of type A Grassmannians and flag varieties

Ambient: ℙ1P1 × ℙ2P2 × Gr(2, 5) 12041

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

family bundle $\mathrm{h}^{1,1}$ $\mathrm{h}^{1,2}$ $\mathrm{h}^{1,3}$ $\mathrm{h}^{2,2}$ $\mathrm{h}^0(X, \omega_X^\vee)$ $\operatorname{vol}(X) = \mathrm{c}_1^4$ $\chi(X, \mathrm{T}_X)$
3-352-75-c E^(w3 + w4) + E^(w1 + w5) 3 0 0 5 75 352 8
3-113-30-b E^(w3 + w4) + E^(w1 + 2w5) 3 0 2 33 30 113 -28
3-141-35-c 2 copies of E^(w5) + E^(w2 + w4) + E^(w1 + w5) 3 0 0 12 35 141 -10
3-135-34-a 2 copies of E^(w5) + E^(w3 + w5) + E^(w1 + w2) 3 1 0 9 34 135 -9
3-130-33-d 3 copies of E^(w5) + E^(w2 + w5) + E^(w1 + w2) 3 0 0 12 33 130 -11