A polymeric compound which contains a structural unit represented by formula (1). [The ring A and the ring B independently represent a heterocyclic ring; the ring C represents a condensed aromatic heterocyclic ring having no line-symmetric axis or rotational axis; Z1 and Z2 independently represent a group represented by formula (Z-1), a group represented by formula (Z-2), a group represented by formula (Z-3), a group represented by formula (Z-4), a group represented by formula (Z-5), a group represented by formula (Z-6) or a group represented by formula (Z-7); and R represents an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, an alkylthio group, a cycloalkylthio group, an aryl group or a monovalent heterocyclic group.]