Group of stator vanes for a row of stator vanes of a stage of a turbomachine compressor, comprising: - a first vane comprising: - a platform of a first vane for mechanically coupling said first vane with an external shell and delimited by: - an internal surface defining a profile of a duct for a flow of fluid through said row of stator vanes, - an external surface, - a blade of the first vane delimited by a head of the first vane and a root of the first vane, said blade being fixed on said internal surface of the platform of the first vane; - a second vane comprising: - a platform of a second vane for mechanically coupling said second vane with an external shell and delimited by: - an internal surface to come into contact with the external surface of the platform of the first vane, - an external surface, - a blade of the second vane delimited by a head of the second vane and a root of the second vane, said blade of the second vane being fixed on said internal surface of the platform of the second vane; said platform of the first vane comprising an aperture for accommodating said second vane; characterised in that the aperture is an opening between said internal surface of the platform of the first vane and said external surface of the platform of the first vane. - a first vane comprising: - a platform of a first vane for mechanically coupling said first vane with an external shell and delimited by: - an internal surface defining a profile of a duct for a flow of fluid through said row of stator vanes, - an external surface, - a blade of the first vane delimited by a head of the first vane and a root of the first vane, said blade being fixed on said internal surface of the platform of the first vane; - a second vane comprising: - a platform of a second vane for mechanically coupling said second vane with an external shell and delimited by: - an internal surface to come into contact with the external surface of the platform of the first vane, - an external surface, - a blade of the second vane delimited by a head of the second vane and a root of the second vane, said blade of the second vane being fixed on said internal surface of the platform of the second vane; - a platform of a first vane for mechanically coupling said first vane with an external shell and delimited by: - an internal surface defining a profile of a duct for a flow of fluid through said row of stator vanes, - an external surface, - a blade of the first vane delimited by a head of the first vane and a root of the first vane, said blade being fixed on said internal surface of the platform of the first vane; - a second vane comprising: - a platform of a second vane for mechanically coupling said second vane with an external shell and delimited by: - an internal surface to come into contact with the external surface of the platform of the first vane, - an external surface, - a blade of the second vane delimited by a head of the second vane and a root of the second vane, said blade of the second vane being fixed on said internal surface of the platform of the second vane; said platform of the first vane comprising an aperture for accommodating said second vane; characterised in that the aperture is an opening between said internal surface of the platform of the first vane and said external surface of the platform of the first vane.