The dodecic surface defined by
(1)
where
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
and 
are both invariants of order 12. The Sarti surface is invariant under the bipolyhedral group and has exactly 600 [img]ordinary points[/img] (Endraß). It was discovered by A. Sarti in 1999.
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