Where plagiarism is detected in group work, members of that group may be deemed to have collective responsibility for the integrity for work submitted by that group and may be liable for any penalty imposed, proportionate to their contribution.
Further details relating to plagiarism can be found here.
The Library provides support and information on plagiarism here.
Further information on examination misconduct offences are provided here. Do get in touch if you need help with these issues at advice@imperial.ac.uk.