$12^{1}_{9}$ - Minimal pinning sets
Pinning sets for 12^1_9 Minimal pinning semi-lattice
(y-axis: cardinality)
Pinning semi lattice for 12^1_9 Pinning data
Pinning number of this loop: 5
Total number of pinning sets: 128
of which optimal: 1
of which minimal: 1
The mean region-degree (mean-degree) of a pinning set is
on average over all pinning sets: 2.90623
on average over minimal pinning sets: 2.0
on average over optimal pinning sets: 2.0
Refined data for the minimal pinning sets
Pin label
Pin color
Regions
Cardinality
Degree sequence
Mean-degree
A (optimal)
• {1, 3, 6, 7, 11}
5
[2, 2, 2, 2, 2]
2.00
Data for pinning sets in each cardinal
Cardinality
Optimal pinning sets
Minimal suboptimal pinning sets
Nonminimal pinning sets
Averaged mean-degree
5
1
0
0
2.0
6
0
0
7
2.38
7
0
0
21
2.65
8
0
0
35
2.86
9
0
0
35
3.02
10
0
0
21
3.14
11
0
0
7
3.25
12
0
0
1
3.33
Total
1
0
127
Other information about this loop Properties
Region degree sequence: [2, 2, 2, 2, 2, 3, 3, 3, 4, 4, 6, 7]
Minimal region degree: 2
Is multisimple: No
Combinatorial encoding data
Plantri embedding: [[1,2,2,3],[0,3,3,4],[0,5,5,0],[0,4,1,1],[1,3,6,7],[2,8,6,2],[4,5,9,9],[4,9,8,8],[5,7,7,9],[6,8,7,6]]
PD code (use to draw this loop with SnapPy): [[3,20,4,1],[2,13,3,14],[19,4,20,5],[1,15,2,14],[15,12,16,13],[5,18,6,19],[6,11,7,12],[16,10,17,9],[17,8,18,9],[10,7,11,8]]
Permutation representation (action on half-edges):
Vertex permutation $\sigma=$ (17,2,-18,-3)(8,5,-9,-6)(15,6,-16,-7)(7,14,-8,-15)(4,9,-5,-10)(13,10,-14,-11)(20,11,-1,-12)(12,19,-13,-20)(3,16,-4,-17)(1,18,-2,-19)
Edge permutation $\epsilon=$ (-1,1)(-2,2)(-3,3)(-4,4)(-5,5)(-6,6)(-7,7)(-8,8)(-9,9)(-10,10)(-11,11)(-12,12)(-13,13)(-14,14)(-15,15)(-16,16)(-17,17)(-18,18)(-19,19)(-20,20)
Face permutation $\varphi=(\sigma\epsilon)^{-1}=$ (-1,-19,12)(-2,17,-4,-10,13,19)(-3,-17)(-5,8,14,10)(-6,15,-8)(-7,-15)(-9,4,16,6)(-11,20,-13)(-12,-20)(-14,7,-16,3,-18,1,11)(2,18)(5,9)
Loop annotated with half-edges
12^1_9 annotated with half-edges