length of conjugacy class
number of conjugacy classes
The type of conjugacy classes
a class of complex mapping
A class of critical components and materials
a class of differential equation with four orders
a class of generalized Sikkema-Bezier type operato
a class of nonlinear evolution equations
a class of Sierpinski gaskets
a class of unified chaotic system
a class of Vague systems
A small number of class
A special class of power series