C4graphConstructions for C4[ 81, 3 ] = PS(9,9;2)

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On this page are all constructions for C4[ 81, 3 ]. See Glossary for some detail.

PS( 9, 9; 2) = PS( 9, 9; 4) = MPS( 9, 18; 5)

      = MPS( 9, 18; 7) = MSZ ( 9, 9, 2, 4) = MSZ ( 9, 9, 4, 4)

      = UG(ATD[ 81, 1]) = UG(ATD[ 81, 2]) = MG(Cmap( 81, 5) { 9, 18| 18}_ 18)

      = MG(Cmap( 81, 6) { 9, 18| 18}_ 18) = HT[ 81, 1]

Cyclic coverings

mod 9:
123456789
1 - - - 0 0 - 0 - 0
2 - - - - 1 - 0 0 8
3 - - 4 5 0 1 - - - -
4 0 - 0 - - - 3 4 -
5 0 8 8 - - - - 5 -
6 - - - - - 4 5 8 1 -
7 0 0 - 6 - 1 - - -
8 - 0 - 5 4 8 - - -
9 0 1 - - - - - - 4 5

mod 9:
123456789
1 - 0 1 - - - - - - 0 4
2 0 8 - 4 6 - - - - - -
3 - 3 5 - 3 8 - - - - -
4 - - 1 6 - 7 8 - - - -
5 - - - 1 2 - 4 6 - - -
6 - - - - 3 5 - 3 8 - -
7 - - - - - 1 6 - 7 8 -
8 - - - - - - 1 2 - 5 7
9 0 5 - - - - - - 2 4 -

mod 9:
123456789
1 - 0 - - 0 0 - - 0
2 0 - - - - - 1 - 1 8
3 - - - 0 0 2 - 0 - -
4 - - 0 - 1 - - 8 6
5 0 - 0 7 8 - - - - -
6 0 - - - - - 6 1 8 -
7 - 8 0 - - 3 - 3 -
8 - - - 1 - 1 8 6 - -
9 0 1 8 - 3 - - - - -

mod 9:
123456789
1 - - - - 0 0 0 - 0
2 - - - 0 - 3 0 0 -
3 - - - 3 0 - - 0 3
4 - 0 6 - - - - 1 7
5 0 - 0 - - - 7 - 4
6 0 6 - - - - 1 4 -
7 0 0 - - 2 8 - - -
8 - 0 0 8 - 5 - - -
9 0 - 6 2 5 - - - -