# Checker for Co1 # Check orders in definition chor 1 2 chor 2 3 mu 1 2 3 chor 3 40 mu 3 2 4 mu 3 4 5 chor 5 6 # Construct a 2B element z # If x^(y^2)*z has odd order, then x must be in 2B mu 5 5 7 mu 3 7 8 chor 8 42 pwr 21 8 9 mu 2 4 10 mu 10 9 11 chor 11 11 # There are only two (2A,3,36) fingerprints to consider, # one for 3C and one for 3D. We will thus show that y is in 3C. # This is easier than checking the (2B,3,40) fingerprints. pwr 20 3 12 # 2A element mu 3 3 13 mu 13 5 14 cj 2 14 15 # 3C element mu 12 15 16 chor 16 36 mu 16 16 17 mu 16 15 18 mu 17 18 19 chor 19 18