gap> N;
576
gap> ans;
false
gap> C:=ConjugacyClasses(G);
[ ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), (3,7)(4,8), (2,6)
    (3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), () ), 
  ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), (3,7)(4,8), (2,6)
    (3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), (5,7)(6,8) ), 
  ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), (3,7)(4,8), (2,6)
    (3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), (4,6,8) ), 
  ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), (3,7)(4,8), (2,6)
    (3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), (3,5,7)(4,6,8) ), 
  ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), (3,7)(4,8), (2,6)
    (3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), (2,4)(6,8) ), 
  ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), (3,7)(4,8), (2,6)
    (3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), (2,4,6,8)(5,7) ), 
  ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), (3,7)(4,8), (2,6)
    (3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), (2,4)(3,5,7)
    (6,8) ), ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), (3,7)
    (4,8), (2,6)(3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), (1,2)
    (3,4)(5,6,7,8) ), ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), 
    (3,7)(4,8), (2,6)(3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), 
    (1,2)(3,4)(5,8,7,6) ), ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)
    (2,6), (3,7)(4,8), (2,6)(3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)
    (3,5) ), (1,2,3,4,5,6,7,8) ), ConjugacyClass( Group( (1,2,3,4,5,6,7,8), 
    (1,5)(2,6), (3,7)(4,8), (2,6)(3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)
    (2,4,6)(3,5) ), (1,2,3,4,5,8,7,6) ), 
  ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), (3,7)(4,8), (2,6)
    (3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), (1,3)(2,4)(5,7)
    (6,8) ), ConjugacyClass( Group( (1,2,3,4,5,6,7,8), (1,5)(2,6), (3,7)
    (4,8), (2,6)(3,7), (3,7)(4,8), (1,5,3,7)(2,6), (1,7)(2,4,6)(3,5) ), 
    (1,3,5,7)(2,4,6,8) ) ]
gap> Length(C);
13
gap> for i in [1..13] do Print(i," ",Representative(C[i]," ",Length(Elements(C[i])),"\n"); od;
Syntax error: ) expected
for i in [1..13] do Print(i," ",Representative(C[i]," ",Length(Elements(C[i]))\
,"\n"); od;
                                                                              \
      ^
gap> for i in [1..13] do Print(i," ",Representative(C[i]," ",Length(Elements(C[i])),"\n")); od;
Error, Function: number of args must be 1
1 gap> for i in [1..13] do Print(i," ",Representative(C[i])," ",Length(Elements(C[i])),"\n"); od;
1 () 1
2 (5,7)(6,8) 36
3 (4,6,8) 16
4 (3,5,7)(4,6,8) 64
5 (2,4)(6,8) 6
6 (2,4,6,8)(5,7) 72
7 (2,4)(3,5,7)(6,8) 48
8 (1,2)(3,4)(5,6,7,8) 72
9 (1,2)(3,4)(5,8,7,6) 72
10 (1,2,3,4,5,6,7,8) 72
11 (1,2,3,4,5,8,7,6) 72
12 (1,3)(2,4)(5,7)(6,8) 9
13 (1,3,5,7)(2,4,6,8) 36
gap> quit;