Identifier
-
Mp00080:
Set partitions
—to permutation⟶
Permutations
St001394: Permutations ⟶ ℤ
Values
{{1}} => [1] => 0
{{1,2}} => [2,1] => 0
{{1},{2}} => [1,2] => 0
{{1,2,3}} => [2,3,1] => 0
{{1,2},{3}} => [2,1,3] => 0
{{1,3},{2}} => [3,2,1] => 0
{{1},{2,3}} => [1,3,2] => 0
{{1},{2},{3}} => [1,2,3] => 0
{{1,2,3,4}} => [2,3,4,1] => 0
{{1,2,3},{4}} => [2,3,1,4] => 0
{{1,2,4},{3}} => [2,4,3,1] => 0
{{1,2},{3,4}} => [2,1,4,3] => 0
{{1,2},{3},{4}} => [2,1,3,4] => 0
{{1,3,4},{2}} => [3,2,4,1] => 0
{{1,3},{2,4}} => [3,4,1,2] => 1
{{1,3},{2},{4}} => [3,2,1,4] => 0
{{1,4},{2,3}} => [4,3,2,1] => 0
{{1},{2,3,4}} => [1,3,4,2] => 0
{{1},{2,3},{4}} => [1,3,2,4] => 0
{{1,4},{2},{3}} => [4,2,3,1] => 0
{{1},{2,4},{3}} => [1,4,3,2] => 0
{{1},{2},{3,4}} => [1,2,4,3] => 0
{{1},{2},{3},{4}} => [1,2,3,4] => 0
{{1,2,3,4,5}} => [2,3,4,5,1] => 0
{{1,2,3,4},{5}} => [2,3,4,1,5] => 0
{{1,2,3,5},{4}} => [2,3,5,4,1] => 0
{{1,2,3},{4,5}} => [2,3,1,5,4] => 0
{{1,2,3},{4},{5}} => [2,3,1,4,5] => 0
{{1,2,4,5},{3}} => [2,4,3,5,1] => 0
{{1,2,4},{3,5}} => [2,4,5,1,3] => 1
{{1,2,4},{3},{5}} => [2,4,3,1,5] => 0
{{1,2,5},{3,4}} => [2,5,4,3,1] => 0
{{1,2},{3,4,5}} => [2,1,4,5,3] => 0
{{1,2},{3,4},{5}} => [2,1,4,3,5] => 0
{{1,2,5},{3},{4}} => [2,5,3,4,1] => 0
{{1,2},{3,5},{4}} => [2,1,5,4,3] => 0
{{1,2},{3},{4,5}} => [2,1,3,5,4] => 0
{{1,2},{3},{4},{5}} => [2,1,3,4,5] => 0
{{1,3,4,5},{2}} => [3,2,4,5,1] => 0
{{1,3,4},{2,5}} => [3,5,4,1,2] => 1
{{1,3,4},{2},{5}} => [3,2,4,1,5] => 0
{{1,3,5},{2,4}} => [3,4,5,2,1] => 1
{{1,3},{2,4,5}} => [3,4,1,5,2] => 1
{{1,3},{2,4},{5}} => [3,4,1,2,5] => 1
{{1,3,5},{2},{4}} => [3,2,5,4,1] => 0
{{1,3},{2,5},{4}} => [3,5,1,4,2] => 1
{{1,3},{2},{4,5}} => [3,2,1,5,4] => 0
{{1,3},{2},{4},{5}} => [3,2,1,4,5] => 0
{{1,4,5},{2,3}} => [4,3,2,5,1] => 0
{{1,4},{2,3,5}} => [4,3,5,1,2] => 1
{{1,4},{2,3},{5}} => [4,3,2,1,5] => 0
{{1,5},{2,3,4}} => [5,3,4,2,1] => 0
{{1},{2,3,4,5}} => [1,3,4,5,2] => 0
{{1},{2,3,4},{5}} => [1,3,4,2,5] => 0
{{1,5},{2,3},{4}} => [5,3,2,4,1] => 0
{{1},{2,3,5},{4}} => [1,3,5,4,2] => 0
{{1},{2,3},{4,5}} => [1,3,2,5,4] => 0
{{1},{2,3},{4},{5}} => [1,3,2,4,5] => 0
{{1,4,5},{2},{3}} => [4,2,3,5,1] => 0
{{1,4},{2,5},{3}} => [4,5,3,1,2] => 1
{{1,4},{2},{3,5}} => [4,2,5,1,3] => 1
{{1,4},{2},{3},{5}} => [4,2,3,1,5] => 0
{{1,5},{2,4},{3}} => [5,4,3,2,1] => 0
{{1},{2,4,5},{3}} => [1,4,3,5,2] => 0
{{1},{2,4},{3,5}} => [1,4,5,2,3] => 1
{{1},{2,4},{3},{5}} => [1,4,3,2,5] => 0
{{1,5},{2},{3,4}} => [5,2,4,3,1] => 0
{{1},{2,5},{3,4}} => [1,5,4,3,2] => 0
{{1},{2},{3,4,5}} => [1,2,4,5,3] => 0
{{1},{2},{3,4},{5}} => [1,2,4,3,5] => 0
{{1,5},{2},{3},{4}} => [5,2,3,4,1] => 0
{{1},{2,5},{3},{4}} => [1,5,3,4,2] => 0
{{1},{2},{3,5},{4}} => [1,2,5,4,3] => 0
{{1},{2},{3},{4,5}} => [1,2,3,5,4] => 0
{{1},{2},{3},{4},{5}} => [1,2,3,4,5] => 0
{{1,2,3,4,5,6}} => [2,3,4,5,6,1] => 0
{{1,2,3,4,5},{6}} => [2,3,4,5,1,6] => 0
{{1,2,3,4,6},{5}} => [2,3,4,6,5,1] => 0
{{1,2,3,4},{5,6}} => [2,3,4,1,6,5] => 0
{{1,2,3,4},{5},{6}} => [2,3,4,1,5,6] => 0
{{1,2,3,5,6},{4}} => [2,3,5,4,6,1] => 0
{{1,2,3,5},{4,6}} => [2,3,5,6,1,4] => 1
{{1,2,3,5},{4},{6}} => [2,3,5,4,1,6] => 0
{{1,2,3,6},{4,5}} => [2,3,6,5,4,1] => 0
{{1,2,3},{4,5,6}} => [2,3,1,5,6,4] => 0
{{1,2,3},{4,5},{6}} => [2,3,1,5,4,6] => 0
{{1,2,3,6},{4},{5}} => [2,3,6,4,5,1] => 0
{{1,2,3},{4,6},{5}} => [2,3,1,6,5,4] => 0
{{1,2,3},{4},{5,6}} => [2,3,1,4,6,5] => 0
{{1,2,3},{4},{5},{6}} => [2,3,1,4,5,6] => 0
{{1,2,4,5,6},{3}} => [2,4,3,5,6,1] => 0
{{1,2,4,5},{3,6}} => [2,4,6,5,1,3] => 1
{{1,2,4,5},{3},{6}} => [2,4,3,5,1,6] => 0
{{1,2,4,6},{3,5}} => [2,4,5,6,3,1] => 1
{{1,2,4},{3,5,6}} => [2,4,5,1,6,3] => 1
{{1,2,4},{3,5},{6}} => [2,4,5,1,3,6] => 1
{{1,2,4,6},{3},{5}} => [2,4,3,6,5,1] => 0
{{1,2,4},{3,6},{5}} => [2,4,6,1,5,3] => 1
{{1,2,4},{3},{5,6}} => [2,4,3,1,6,5] => 0
{{1,2,4},{3},{5},{6}} => [2,4,3,1,5,6] => 0
{{1,2,5,6},{3,4}} => [2,5,4,3,6,1] => 0
>>> Load all 741 entries. <<<
search for individual values
searching the database for the individual values of this statistic
/
search for generating function
searching the database for statistics with the same generating function
Description
The genus of a permutation.
The genus $g(\pi)$ of a permutation $\pi\in\mathfrak S_n$ is defined via the relation
$$ n+1-2g(\pi) = z(\pi) + z(\pi^{-1} \zeta ), $$
where $\zeta = (1,2,\dots,n)$ is the long cycle and $z(\cdot)$ is the number of cycles in the permutation.
The genus $g(\pi)$ of a permutation $\pi\in\mathfrak S_n$ is defined via the relation
$$ n+1-2g(\pi) = z(\pi) + z(\pi^{-1} \zeta ), $$
where $\zeta = (1,2,\dots,n)$ is the long cycle and $z(\cdot)$ is the number of cycles in the permutation.
Map
to permutation
Description
Sends the set partition to the permutation obtained by considering the blocks as increasing cycles.
searching the database
Sorry, this statistic was not found in the database
or
add this statistic to the database – it's very simple and we need your support!