Manufacturing method of glass plate having holes, and glass plate

A glass plate, comprising:

• a glass plate having a first surface and a second surface opposite to the first surface;
• and
• a plurality of through holes penetrating from the first surface to the second surface,
• wherein:
• each of the plurality of through holes has a first opening on the first surface and a second opening on the second surface,
• a larger of the first opening and the second opening being referred to as a specific opening, the specific opening has a ratio PT/φT of less than or equal to 10%, where φT is a diameter in μm defined as an average of a diameter of a circumscribed circle and a diameter of an inscribed circle of the specific opening, PT is a roundness in μm,
• where φTave in μm is an average value of the diameter of the specific opening among the through holes, and σ in μm is a standard deviation of φT, 3σ/φTave is less than or equal to 4.6, and
• when five through holes are selected from the plurality of through holes at random, each of the five through holes has φN/φT of at least 0.5, where φN is a minimum dimension of a narrow segment in cross section of a respective one of the five through holes in μm.