Use this if you are using igraph from R
See centralize for a summary of graph centralization.
centr_betw_tmax(graph = NULL, nodes = 0, directed = TRUE)
graph | 
 The input graph. It can also be   | 
nodes | 
 The number of vertices. This is ignored if the graph is given.  | 
directed | 
 logical scalar, whether to use directed shortest paths for calculating betweenness.  | 
Real scalar, the theoratical maximum (unnormalized) graph betweenness centrality score for graphs with given order and other parameters.
Other centralization related: centr_betw,
centr_clo_tmax, centr_clo,
centr_degree_tmax,
centr_degree,
centr_eigen_tmax,
centr_eigen, centralize
# A BA graph is quite centralized g <- sample_pa(1000, m = 4) centr_betw(g, normalized = FALSE)$centralization %>% `/`(centr_betw_tmax(g)) centr_betw(g, normalized = TRUE)$centralization