Polymerizable compounds, polymerizable composition, polymer, and optically anisotropic body

A polymerizable compound represented by a general formula (I),

• wherein Q1 to Q3 are independently a hydrogen atom, or a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms,
• X is a substituted or unsubstituted divalent aromatic group having 4 to 12 carbon atoms,
• Y1 to Y12 are independently a chemical single bond, —O—, —S—, —O—C(═O)—, —C(═O)—O—, —O—C(═O)—O—, —NR1—C(═O)—, —C(═O)—NR1—, —O—C(═O)—NR1—, —NR1—C(═O)—O—, —NR1—C(═O)—NR1—, —O—NR1—, or —NR1—O—, R1 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms,
• G1 to G4 are independently a substituted or unsubstituted divalent aliphatic group having 1 to 20 carbon atoms that optionally includes —O—, —S—, —O—C(═O)—, —C(═O)—O—, —O—C(═O)—O—, —NR2—C(═O)—, —C(═O)—NR2—, —NR2—, or —C(═O)— (excluding a case where the aliphatic group includes two or more adjacent —O— or —S—), R2 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms,
• Z1 to Z4 are independently an alkenyl group having 2 to 10 carbon atoms that is substituted with a halogen atom, or unsubstituted,
• A1 is a substituted or unsubstituted trivalent aromatic group,
• A2 to A7 are independently a substituted or unsubstituted divalent aromatic group having 4 to 30 carbon atoms, and
• n is 0 or 1.