1 votes 1 votes Which of the following groups are isomorphic? $\mathbb{R}$ and $C$ $\mathbb{R}^{*}$ and $C^{*}$ $S_{3}\times \mathbb{Z}/4$ and $S_{4}$ $\mathbb{Z}/2\times \mathbb{Z}/2$ and $\mathbb{Z}/4$ Set Theory & Algebra tifrmaths2014 set-theory&algebra group-theory group-isomorphism non-gate + – makhdoom ghaya asked Dec 17, 2015 • edited Aug 17, 2020 by soujanyareddy13 makhdoom ghaya 368 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.