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On this page are all constructions for C4[ 480, 121 ]. See Glossary for some detail.

PL(LoPr_ 60( 3, 20, 18, 20, 27), [6^40, 20^12]) = PL(ATD[ 12, 2]#ATD[ 40, 6]) = PL(ATD[ 40, 6]#DCyc[ 3])

      = PL(ATD[ 40, 6]#DCyc[ 6]) = XI(Cmap(240, 22) { 8, 12| 20}_120) = XI(Cmap(240, 24) { 8, 12| 20}_120)

      = XI(Cmap(240, 45) { 24, 12| 60}_ 40) = XI(Cmap(240, 46) { 24, 12| 60}_ 40) = PL(CSI(MPS( 4, 20; 3)[ 20^ 4], 3))

      = PL(CSI(MPS( 4, 20; 3)[ 20^ 4], 6))

Cyclic coverings