Abstract
We show that the 800 spreads ofPG(3, 4)∖PG(3, 2) fall into three orbits of sizes 120, 120 and 560, under the action of its automorphism group.
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Communicated by D. Jungnickel
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van Dam, E.R. Classification of spreads ofPG(3, 4)∖PG(3, 2). Des Codes Crypt 3, 193–198 (1993). https://doi.org/10.1007/BF01388480
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DOI: https://doi.org/10.1007/BF01388480