Fano fourfolds of type A beta

zero loci on products of type A Grassmannians and flag varieties

Ambient: ℙ2P2 × ℙ2P2 × ℙ4P4 202040

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

family bundle $\mathrm{h}^{1,1}$ $\mathrm{h}^{1,2}$ $\mathrm{h}^{1,3}$ $\mathrm{h}^{2,2}$ $\mathrm{h}^0(X, \omega_X^\vee)$ $\operatorname{vol}(X) = \mathrm{c}_1^4$ $\chi(X, \mathrm{T}_X)$
3-150-36-a E^(w2 + w4 + w5) 3 0 0 10 36 150 -4
3-131-33-a E^(w4 + w5) + E^(w1 + w4 + w5) 3 0 0 17 33 131 -15
3-401-84-a E^(w4 + w5) + E^(w2 + w5) 3 0 0 5 84 401 12
2-320-69-b E^(2w5) + E^(w3 + w5) + E^(w1 + w4) 2 0 0 4 69 320 4
4-256-57-b E^(2w5) + E^(w4 + w5) + E^(w1 + w3) 4 0 0 6 57 256 4
4-148-36-a E^(2w5) + E^(w4 + w5) + E^(2w1 + w3) 4 0 0 12 36 148 -5
3-239-54-a 2 copies of E^(w3 + w5) + E^(w2 + w5) 3 0 0 5 54 239 0
3-304-66-b E^(w3 + w5) + E^(w1 + w3) + E^(w2 + w5) 3 0 0 5 66 304 5
3-256-57-j E^(w3 + w5) + E^(w4 + w5) + E^(w1 + w5) 3 0 0 6 57 256 1
3-125-32-a E^(w3 + w5) + E^(w1 + w3 + w5) + E^(w2 + w5) 3 0 1 24 32 125 -20
3-131-33-b 2 copies of E^(w3 + w5) + 2 copies of E^(w1 + w5) 3 0 0 14 33 131 -12
3-130-33-c E^(w3 + w5) + E^(w4 + w5) + E^(2w1 + w5) 3 0 0 15 33 130 -14
3-119-31-a E^(w3 + 2w5) + E^(w1 + w3) + E^(w2 + w5) 3 0 1 24 31 119 -21