Section 7. Any person who commits the crime of conspiracy shall be punished as follows:
First, if the purpose of the conspiracy or any of the means for achieving the purpose of the conspiracy is a felony punishable by death or imprisonment for life, by a fine of not more than ten thousand dollars or by imprisonment in the state prison for not more than twenty years or in jail for not more than two and one half years, or by both such fine and imprisonment.
Second, if clause first does not apply and the purpose of the conspiracy or any of the means for achieving the purpose of the conspiracy is a felony punishable by imprisonment in the state prison for a maximum period exceeding ten years, by a fine of not more than ten thousand dollars or by imprisonment in the state prison for not more than ten years or in jail for not more than two and one half years, or by both such fine and imprisonment.
Third, if clauses first and second do not apply and the purpose of the conspiracy or any of the means for achieving the purpose of the conspiracy is a felony punishable by imprisonment in the state prison for not more than ten years, by a fine of not more than five thousand dollars or by imprisonment in the state prison for not more than five years or in jail for not more than two and one half years, or by both such fine and imprisonment.
Fourth, if clauses first through third do not apply and the purpose of the conspiracy or any of the means for achieving the purpose of the conspiracy is a crime, by a fine of not more than two thousand dollars or by imprisonment in jail for not more than two and one half years, or both.
If a person is convicted of a crime of conspiracy for which crime the penalty is expressly set forth in any other section of the General Laws, the provisions of this section shall not apply to said crime and the penalty therefor shall be imposed pursuant to the provisions of such other section.