Polymerizable compound, liquid crystal composition, and liquid crystal display device

A compound represented by formula (1):

• wherein, A1 and A3 are independently an aromatic ring group in which at least one of hydrogen may be replaced by L, or a heterocyclic aromatic ring group in which at least one of hydrogen may be replaced by L;
• A2 is independently an aromatic ring group in which at least one of hydrogen may be replaced by L, a heterocyclic aromatic ring group in which at least one of hydrogen may be replaced by L, or a single bond;
• Z1 is —CO—CR1═CR2—, —CR1═CR2—CO—, —CR1═CR2—, —C(═CR1R2)— or —C(═R3)—;
• Z2 is independently —CO—CR1═CR2—, —CR1═CR2—CO—, —CR1═CR2—, —C(═CR1R2)— or —C(═R3)—;
• R1 and R2 are independently hydrogen, halogen, alkyl having 1 to 10 carbons or alkyl having 1 to 10 carbons in which at least one of hydrogen is replaced by fluorine;
• and
• R3 is a group selected from the group of groups represented by formula (R-1);
• wherein, X1 is independently halogen, alkyl having 1 to 6 carbons or alkyl having 1 to 6 carbons in which at least one of hydrogen is replaced by fluorine;
• L is independently halogen, —CF3, —C≡N or alkyl having 1 to 6 carbons;
• P1 and P2 are independently a group selected from the group of groups represented by formula (P-1) to formula (P-11);
• Y1 and Y2 are independently hydrogen, —CH3, —C2H5 or halogen;
• and Y3 is hydrogen, —CH3, —C2H5, halogen, —CF3 or —C≡N;
• wherein, Sp1 and Sp2 are independently a single bond or alkylene having 1 to 6 carbons, at least one of hydrogen of the alkylene may be replaced by halogen or —C≡N at least one of non-adjacent —CH2— may be replaced by —O—, —S—, —NH—, —CO—, —CO—O—, —O—CO—, —O—CO—O—, —CH═CH— or —C≡C—;
• m1 and m3 are integers from 0 to 5, m2 is an integer from 0 to 4, and a sum of m1 and m3 is an integer from 1 to 10;
• n1 is an integer from 1 to 8;
• and p is an integer from 0 to 4.