Number of selected skew morphism classes of C_21 is 0
Total number of skew morphisms of C_21 is 24
Total number of skew morphism classes of C_21 is 9
Total number of automorphisms of C_21 is 12

1. Skew morphsim class of size 1 #
     
     of order 1 √
     with kernel of order 21
     and smallest kernel generator 1
     and power function values [ 1 ] #
     and with periodicity 1
   
   

2. Skew morphsim class of size 2 #
     
     of order 6 √
     with kernel of order 21
     and smallest kernel generator 1
     and power function values [ 1 ] #
     and with periodicity 1
   
   

3. Skew morphsim class of size 1 #
     
     of order 2 √
     with kernel of order 21
     and smallest kernel generator 1
     and power function values [ 1 ] #
     and with periodicity 1
   
   

4. Skew morphsim class of size 2 #
     
     of order 3 √
     with kernel of order 21
     and smallest kernel generator 1
     and power function values [ 1 ] #
     and with periodicity 1
   
   

5. Skew morphsim class of size 2 #
     
     of order 6 √
     with kernel of order 21
     and smallest kernel generator 1
     and power function values [ 1 ] #
     and with periodicity 1
   
   

6. Skew morphsim class of size 1 #
     
     of order 2 √
     with kernel of order 21
     and smallest kernel generator 1
     and power function values [ 1 ] #
     and with periodicity 1
   
   

7. Skew morphsim class of size 2 #
     
     of order 6 √
     with kernel of order 21
     and smallest kernel generator 1
     and power function values [ 1 ] #
     and with periodicity 1
   
   

8. Skew morphsim class of size 1 #
     
     of order 2 √
     with kernel of order 21
     and smallest kernel generator 1
     and power function values [ 1 ] #
     and with periodicity 1
   
   

9. Skew morphsim class of size 12 #
     
     of order 7 √
     with kernel of order 7
     and smallest kernel generator 3
     and power function values [ 1, 2, 4 ] #
     and with periodicity 1