Γ

K

Σ

p

s-弧正则

1

C G D 8 p

D 4

C D 2 p

p = 3 , p 1 ( mod 3 )

1-弧正则

2

F 40

D 4

O 2

p = 5

3-弧正则

3

F 60

D 6

O 2

p = 5

2-弧正则