"residue class" meaning in English

{
  "forms": [
    {
      "form": "residue classes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "residue class (plural residue classes)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Number theory",
          "orig": "en:Number theory",
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            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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        }
      ],
      "glosses": [
        "A coset of an ideal of the ring of integers."
      ],
      "id": "en-residue_class-en-noun-dIT3cDes",
      "links": [
        [
          "number theory",
          "number theory"
        ],
        [
          "coset",
          "coset"
        ],
        [
          "ideal",
          "ideal"
        ],
        [
          "ring",
          "ring"
        ],
        [
          "integers",
          "integers"
        ]
      ],
      "raw_glosses": [
        "(number theory) A coset of an ideal of the ring of integers."
      ],
      "topics": [
        "mathematics",
        "number-theory",
        "sciences"
      ]
    }
  ],
  "word": "residue class"
}

{
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    {
      "form": "residue classes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "residue class (plural residue classes)",
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    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "English countable nouns",
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      ],
      "glosses": [
        "A coset of an ideal of the ring of integers."
      ],
      "links": [
        [
          "number theory",
          "number theory"
        ],
        [
          "coset",
          "coset"
        ],
        [
          "ideal",
          "ideal"
        ],
        [
          "ring",
          "ring"
        ],
        [
          "integers",
          "integers"
        ]
      ],
      "raw_glosses": [
        "(number theory) A coset of an ideal of the ring of integers."
      ],
      "topics": [
        "mathematics",
        "number-theory",
        "sciences"
      ]
    }
  ],
  "word": "residue class"
}