How do we compute Aut (Z2 x Z2)? - Mathematics Stack Exchange Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
complex numbers - Why is $ |z|^2 = z z^* $? - Mathematics Stack Exchange Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
What means a set in $Z^2$? - Mathematics Stack Exchange Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
Find all proper nontrivial subgroups of - Mathematics Stack Exchange Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
Show that ${\\rm Aut}(Z_2 \\times Z_2) \\cong S_3$ $\mathbf{Z}_2 \times \mathbf{Z}_2$ is a 2-dimensinal vector space over $\mathbf{Z}_2$ and the automorphisms of a vector space correspond to invertible linear maps on that vector space
Why is $\\mathbb{Z}_2 \\ast \\mathbb{Z}_2$ not a free group? Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
How to get to the first step of solving $z^2=i$? Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
complex numbers - Solving $z^2=\bar z$ - Mathematics Stack Exchange Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers