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I do not understand well this output from FiniteGroupData

Posted 7 months ago

Because (Z/55Z)* has no subgroups of order 8. Am I wrong ?

In[89]:= FiniteGroupData[{"CyclicGroupUnits", 55}, "Subgroups"]

Out[89]= {"Trivial", {"CyclicGroup", 
  2}, {"AbelianGroup", {2, 2}}, {"CyclicGroup", 
  4}, **{"AbelianGroup", {4, 2}}**, {"CyclicGroup", 
  5}, {"AbelianGroup", {5, 2}}, {"AbelianGroup", {5, 2, 
   2}}, {"AbelianGroup", {5, 4}}, {"AbelianGroup", {5, 4, 2}}}
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