This full solution covers the following key subjects: Find, order, subgroups. This expansive textbook survival guide covers 34 chapters, and 2038 solutions. This textbook survival guide was created for the textbook: Contemporary Abstract Algebra , edition: 8th. Contemporary Abstract Algebra was written by Sieva Kozinsky and is associated to the ISBN: 9781133599708. Since the solution to 18E from 8 chapter was answered, more than 234 students have viewed the full step-by-step answer. The answer to “In Z40 ? Z30, find two subgroups of order 12.” is broken down into a number of easy to follow steps, and 10 words. The full step-by-step solution to problem: 18E from chapter: 8 was answered by Sieva Kozinsky, our top Math solution expert on 07/25/17, 05:55AM.