Photoelectric conversion material, photoelectric conversion element, optical sensor, and imaging element

A photoelectric conversion material that is a compound (a2) expressed by the following Formula (3):

• in Formula (3), each of Rz1 to Rz4 independently indicates a hydrogen atom or a substituent, and Rz1 and Rz2;
• Rz2 and Rz3;
• and Rz3 and Rz4 may be respectively bonded to each other to form a ring,
• each of R21, R22, R23, R25, and R26 independently indicates a hydrogen atom or a substituent,
• each of R1a and R1b independently indicates a hydrogen atom or a substituent,
• each of R31 to R35 independently indicates a hydrogen atom or a substituent,
• each of R36 to R39 independently indicates a hydrogen atom or a substituent, and
• at least one of the following (i) and (ii) is satisfied:
• (i) at least one of R31 to R39 is a specific substituent, and
• (ii) at least one of R21, R22, R23, R25, and R26 is a specific substituent, wherein
• the specific substituent is expressed by one of the following Formulae (X2) to (X5):
• in Formulae (X2) to (X5), R indicates a hydrocarbon group, L indicates a single bond, and * indicates a bonding position.