Fano fourfolds of type A beta

zero loci on products of type A Grassmannians and flag varieties

Ambient: ℙ1P1 × ℙ1P1 × ℙ2P2 × ℙ3P3 112030

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

family bundle $\mathrm{h}^{1,1}$ $\mathrm{h}^{1,2}$ $\mathrm{h}^{1,3}$ $\mathrm{h}^{2,2}$ $\mathrm{h}^0(X, \omega_X^\vee)$ $\operatorname{vol}(X) = \mathrm{c}_1^4$ $\chi(X, \mathrm{T}_X)$
4-140-35-a E^(w4 + w5) + E^(w1 + w2 + w3 + w5) 4 0 1 24 35 140 -17
4-152-37-a 2 copies of E^(w3 + w5) + E^(w1 + w2 + w5) 4 0 0 12 37 152 -6
4-272-60-a E^(w3 + w5) + E^(w2 + w5) + E^(w1 + w5) 4 0 0 7 60 272 4
4-304-66-b E^(w3 + w5) + E^(w2 + w5) + E^(w1 + w3) 4 0 0 7 66 304 6
4-146-36-c E^(w3 + w5) + E^(w2 + w5) + E^(w1 + w3 + w5) 4 0 0 15 36 146 -10
4-146-36-d E^(w3 + w5) + E^(w2 + 2w5) + E^(w1 + w3) 4 1 0 10 36 146 -6
4-260-58-a E^(w4 + w5) + E^(w1 + w2 + w5) 4 0 0 6 58 260 3
4-140-35-b E^(w3 + 2w5) + E^(w2 + w5) + E^(w1 + w3) 4 0 0 16 35 140 -12
4-146-36-e E^(2w3 + w5) + E^(w2 + w5) + E^(w1 + w5) 4 0 0 13 36 146 -8
4-304-66-c E^(w4 + w5) + E^(w1 + w2 + w3) 4 0 0 6 66 304 7