A biscarbazole derivative represented by formula: wherein: the biscarbazole derivative has only two carbazole structures in a molecule thereof; A 1 represents a substituted or unsubstituted fluoranthenyl group, a substituted or unsubstituted triphenylenyl group, a substituted or unsubstituted benzophenanthrenyl group, a substituted or unsubstituted benzotriphenylenyl group, a substituted or unsubstituted dibenzotriphenylenyl group, a substituted or unsubstituted chrysenyl group, a substituted or unsubstituted benzochrysenyl group, a substituted or unsubstituted picenyl group, a substituted or unsubstituted benzo[b]fluoranthenyl group, a substituted or unsubstituted phenanthrenyl group, a substituted or unsubstituted binaphthyl group, a substituted or unsubstituted dibenzophenanthrenyl group, a substituted or unsubstituted naphthotriphenylenyl group, or a substituted or unsubstituted benzofluorenyl group; A 2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y 1 to Y 16 independently represents C or a nitrogen atom, and each of R groups independently represents a hydrogen atom, a substituent, or a valence bond between the two carbazole structures; and each of L 1 and L 2 independently represents a single bond, a substituted or unsubstituted, divalent aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted, divalent aromatic heterocyclic group having 2 to 30 ring carbon atoms, provided that: -L 1 -A 1 and -L 2 -A 2 are different from each other; and when Y 1 to Y 16 all represent C wherein R is a hydrogen atom, Y 6 and Y 11 are bonded to each other via a single bond, each of L 1 and L 2 represents a single bond, and A 1 represents a phenanthrenyl group, A 2 represents a phenyl group, a biphenylyl group, or a naphthyl group, with the proviso that the compounds are excluded. the biscarbazole derivative has only two carbazole structures in a molecule thereof; A 1 represents a substituted or unsubstituted fluoranthenyl group, a substituted or unsubstituted triphenylenyl group, a substituted or unsubstituted benzophenanthrenyl group, a substituted or unsubstituted benzotriphenylenyl group, a substituted or unsubstituted dibenzotriphenylenyl group, a substituted or unsubstituted chrysenyl group, a substituted or unsubstituted benzochrysenyl group, a substituted or unsubstituted picenyl group, a substituted or unsubstituted benzo[b]fluoranthenyl group, a substituted or unsubstituted phenanthrenyl group, a substituted or unsubstituted binaphthyl group, a substituted or unsubstituted dibenzophenanthrenyl group, a substituted or unsubstituted naphthotriphenylenyl group, or a substituted or unsubstituted benzofluorenyl group; A 2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y 1 to Y 16 independently represents C or a nitrogen atom, and each of R groups independently represents a hydrogen atom, a substituent, or a valence bond between the two carbazole structures; and each of L 1 and L 2 independently represents a single bond, a substituted or unsubstituted, divalent aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted, divalent aromatic heterocyclic group having 2 to 30 ring carbon atoms, provided that: -L 1 -A 1 and -L 2 -A 2 are different from each other; and when Y 1 to Y 16 all represent C wherein R is a hydrogen atom, Y 6 and Y 11 are bonded to each other via a single bond, each of L 1 and L 2 represents a single bond, and A 1 represents a phenanthrenyl group, A 2 represents a phenyl group, a biphenylyl group, or a naphthyl group, with the proviso that the compounds are excluded. -L 1 -A 1 and -L 2 -A 2 are different from each other; and when Y 1 to Y 16 all represent C wherein R is a hydrogen atom, Y 6 and Y 11 are bonded to each other via a single bond, each of L 1 and L 2 represents a single bond, and A 1 represents a phenanthrenyl group, A 2 represents a phenyl group, a biphenylyl group, or a naphthyl group, with the proviso that the compounds are excluded.