Virasoro descendant
= Virasoro descendant
{c}
A Virasoro descendant is obtained by applying negative Virasoro modes $L_{-n}$ to a primary state or operator. Its level is the sum of the mode numbers.
= Virasoro descendant
{c}
A Virasoro descendant is obtained by applying negative Virasoro modes $L_{-n}$ to a primary state or operator. Its level is the sum of the mode numbers.