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Mar 25th, 2019
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  1. for a in [0..6] do
  2. > for b in [0..3] do
  3. > m := 2^a*3^b;
  4. > k := NrSmallGroups(m);
  5. > for i in [1..k] do
  6. > G := SmallGroup(m,i);
  7. > M := SylowSubgroup(G,2);
  8. > N := SylowSubgroup(G,3);
  9. > bool := true;
  10. > bool_ord := true;
  11. > if (IsCentral(G,M) and IdGroup(M) in [[4,2],[8,5]]) or (IsCentral(G,N) and IdGroup(N) = [27,5]) then
  12. > bool := false;
  13. > fi;
  14. > if bool = true and Exponent(G) in [2,3,4,6,8,12,18,24,36,72] and IsCyclic(Center(G)) then
  15. > if (((IsAbelian(M) and (a <= 4 or IdGroup(M) = [32,3])) and (IdGroup(M) = [16,14]) = false) or a = 3 or IdGroup(M) in [[16,3],[16,4],[16,6],[16,8], [16,11],[16,13],[32,11],[32,13],[32,24]]) or (a=6 and IdGroup(M) = [64,55]) then
  16. > if IdGroup(N) in [[1,1],[3,1],[9,1],[9,2],[27,3],[27,5]] then
  17. > Subgroups := ConjugacyClassesSubgroups(G);
  18. > for U in Subgroups do
  19. > H := Representative(U);
  20. > r := 1;
  21. > while bool = true and r <= Length(Subgroups) do
  22. > $41], [108,42], [144,166], [144,184], [216,136], [216,163], [432,708]] then
  23. > bool := false;
  24. > fi;
  25. > r := r+1;
  26. > od;
  27. > od;
  28. >
  29. > min_deg := m;
  30. > for chi in Irr(G) do
  31. > if 1 < chi[1] and chi[1] < min_deg then
  32. > min_deg := chi[1];
  33. > fi;
  34. > od;
  35. > for g in G do
  36. > if (Order(g) in [1,2,3,4,6,8,9,12,18]) = false then bool_ord := false; fi;
  37. > od;
  38. > if bool = true and bool_ord = true and IsAbelian(G) = false and min_deg in [2,3,4] then
  39. > $ Center: ", IdGroup(Center(G)), " ", StructureDescription(Center(G)), "\n");
  40. > counter := counter + 1;
  41. > fi;
  42. > fi;
  43. > fi;
  44. > fi;
  45. > od;
  46. > od;
  47. > od;
  48. 1 [ 27, 3 ] 3 (C3 x C3) : C3 [G,G]: [ 3, 1 ] C3 Center: [ 3, 1 ] C3
  49. 2 [ 6, 1 ] 6 S3 [G,G]: [ 3, 1 ] C3 Center: [ 1, 1 ] 1
  50. 3 [ 18, 3 ] 6 C3 x S3 [G,G]: [ 3, 1 ] C3 Center: [ 3, 1 ] C3
  51. 4 [ 12, 1 ] 12 C3 : C4 [G,G]: [ 3, 1 ] C3 Center: [ 2, 1 ] C2
  52. 5 [ 12, 3 ] 6 A4 [G,G]: [ 4, 2 ] C2 x C2 Center: [ 1, 1 ] 1
  53. 6 [ 12, 4 ] 6 D12 [G,G]: [ 3, 1 ] C3 Center: [ 2, 1 ] C2
  54. 7 [ 36, 6 ] 12 C3 x (C3 : C4) [G,G]: [ 3, 1 ] C3 Center: [ 6, 2 ] C6
  55. 8 [ 36, 11 ] 6 C3 x A4 [G,G]: [ 4, 2 ] C2 x C2 Center: [ 3, 1 ] C3
  56. 9 [ 36, 12 ] 6 C6 x S3 [G,G]: [ 3, 1 ] C3 Center: [ 6, 2 ] C6
  57. 10 [ 8, 3 ] 4 D8 [G,G]: [ 2, 1 ] C2 Center: [ 2, 1 ] C2
  58. 11 [ 8, 4 ] 4 Q8 [G,G]: [ 2, 1 ] C2 Center: [ 2, 1 ] C2
  59. 12 [ 24, 1 ] 24 C3 : C8 [G,G]: [ 3, 1 ] C3 Center: [ 4, 1 ] C4
  60. 13 [ 24, 5 ] 12 C4 x S3 [G,G]: [ 3, 1 ] C3 Center: [ 4, 1 ] C4
  61. 14 [ 24, 8 ] 12 (C6 x C2) : C2 [G,G]: [ 6, 2 ] C6 Center: [ 2, 1 ] C2
  62. 15 [ 24, 10 ] 12 C3 x D8 [G,G]: [ 2, 1 ] C2 Center: [ 6, 2 ] C6
  63. 16 [ 24, 11 ] 12 C3 x Q8 [G,G]: [ 2, 1 ] C2 Center: [ 6, 2 ] C6
  64. 17 [ 24, 12 ] 12 S4 [G,G]: [ 12, 3 ] A4 Center: [ 1, 1 ] 1
  65. 18 [ 72, 30 ] 12 C3 x ((C6 x C2) : C2) [G,G]: [ 6, 2 ] C6 Center: [ 6, 2 ] C6
  66. 19 [ 72, 42 ] 12 C3 x S4 [G,G]: [ 12, 3 ] A4 Center: [ 3, 1 ] C3
  67. 20 [ 16, 6 ] 8 C8 : C2 [G,G]: [ 2, 1 ] C2 Center: [ 4, 1 ] C4
  68. 21 [ 16, 8 ] 8 QD16 [G,G]: [ 4, 1 ] C4 Center: [ 2, 1 ] C2
  69. 22 [ 16, 13 ] 4 (C4 x C2) : C2 [G,G]: [ 2, 1 ] C2 Center: [ 4, 1 ] C4
  70. 23 [ 48, 10 ] 24 (C3 : C8) : C2 [G,G]: [ 6, 2 ] C6 Center: [ 4, 1 ] C4
  71. 24 [ 48, 47 ] 12 C3 x ((C4 x C2) : C2) [G,G]: [ 2, 1 ] C2 Center: [ 12, 2 ] C12
  72. 25 [ 32, 11 ] 8 (C4 x C4) : C2 [G,G]: [ 4, 1 ] C4 Center: [ 4, 1 ] C4
  73. 26 [ 96, 44 ] 24 C3 : ((C4 x C4) : C2) [G,G]: [ 12, 2 ] C12 Center: [ 4, 1 ] C4
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