There is provided an organic compound represented by formula [1-1] or [1-2]: where R1 to R20 are each independently selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amino group, an aromatic hydrocarbon group, a heterocyclic group, an aryloxy group, a silyl group, and a cyano group, in which at least one of R1 to R4 and R6 to R9 and at least one of R11 to R14 and R16 to R19 are amino groups; and X1 to X4 are each oxygen, sulfur, selenium, or tellurium and are optionally the same or different.