What are the five most powerful characters in your language?
Python3, 21 27 values
Characters: 3479%
Unique numbers: [1,2,3,4,5,6,7,8,9,11,12,19,20,21,24,29,34,35,36,37,39,43,46,47,49,73,74]
As it was requested, here are the permutations that fell in the range [1, 120]. Try it online!
347%9   5
349%7   6
34%79   34
34%97   34
374%9   5
379%4   3
37%49   37
37%94   37
394%7   2
397%4   1
39%47   39
39%74   39
3%479   3
3%497   3
3%749   3
3%794   3
3%947   3
3%974   3
437%9   5
439%7   5
43%79   43
43%97   43
473%9   5
479%3   2
47%39   8
47%93   47
493%7   3
497%3   2
49%37   12
49%73   49
4%379   4
4%397   4
4%739   4
4%793   4
4%937   4
4%973   4
734%9   5
739%4   3
73%49   24
73%94   73
743%9   5
749%3   2
74%39   35
74%93   74
793%4   1
794%3   2
79%34   11
79%43   36
7%349   7
7%394   7
7%439   7
7%493   7
7%934   7
7%943   7
934%7   3
937%4   1
93%47   46
93%74   19
943%7   5
947%3   2
94%37   20
94%73   21
973%4   1
974%3   2
97%34   29
97%43   11
9%347   9
9%374   9
9%437   9
9%473   9
9%734   9
9%743   9