Fano fourfolds of type A beta

zero loci on products of type A Grassmannians and flag varieties

Ambient: ℙ1P1 × Fl(1, 3, 5) 144

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

family bundle $\mathrm{h}^{1,1}$ $\mathrm{h}^{1,2}$ $\mathrm{h}^{1,3}$ $\mathrm{h}^{2,2}$ $\mathrm{h}^0(X, \omega_X^\vee)$ $\operatorname{vol}(X) = \mathrm{c}_1^4$ $\chi(X, \mathrm{T}_X)$
4-304-66-a 2 copies of E^(w4) + E^(w5) + E^(w1 + w2) 4 0 0 7 66 304 6
3-272-60-d E^(w2) + E^(2w5) + E^(w1 + w2) 3 0 0 4 60 272 4
3-141-35-b E^(w4) + E^(w5) + E^(w2 + w4) + E^(w1 + w2) 3 0 0 13 35 141 -11
3-162-39-f E^(w2) + 3 copies of E^(w4) + E^(w1 + w2) 3 0 0 8 39 162 -5
3-225-51-c 2 copies of E^(w3) + E^(w1 + w4) 3 0 0 9 51 225 -3
3-163-39-a E^(w5) + E^(w2 + w5) + E^(w1 + w4) 3 0 0 9 39 163 -5
3-188-44-d E^(w3) + 2 copies of E^(w4) + E^(w1 + w2) 3 0 0 9 44 188 -5
4-125-32-b 2 copies of E^(w4) + E^(w5) + E^(w1 + 2w2) 4 0 0 18 32 125 -14
3-152-37-a E^(w4) + E^(w5) + E^(2w2) + E^(w1 + w4) 3 0 0 8 37 152 -5