Why study $SL(2,\mathbb{C})$ representations when the representations of $SU(2)\times SU(2)$ exhausts all irreps of $SO(3,1)$?
36797
How do I construct the $SU(2)$ representation of the Lorentz Group using $SU(2)\times SU(2)\sim SO(3,1)$ ?
117737
Why is $\mathfrak{sl}(n)$ the algebra of traceless matrices?
142413
Normal Subgroups of $SU(n)$
147827
How to calculate $|\operatorname {SL}_2(\mathbb Z/N\mathbb Z)|$?
77742
Queries about rotational groups $\mathrm{SO}(3)$ and $\mathrm{SU}(2)$ in QM
14895
Reference for the subgroup structure of $\rm{PSL}_2(q)$
24131
How to visualise the derived series of the Lie algebra $\mathfrak{u}(n,\mathbb{C})$?
33423
Decomposition of semisimple Lie algebra via its roots
76048
Why does $PSL(2,\mathbb C)\cong PGL(2,\mathbb C)$ but $PSL(2,\mathbb R) \not\cong PGL(2,\mathbb R)$?
109596
Isomorphism from $\mathrm{Aut}(\mathbb{Z}/2\mathbb{Z}\times \mathbb{Z}/2\mathbb{Z})$ to $S_3$
44629
Why Lie algebras of type $B_2$ and $C_2$ are isomorphic?
68267
$SU(3)$ irreducible representations with tensor method
70533
In what sense can the Lie algebra of $GL_n(\mathbb{C})$ be "identified" with $M_n(\mathbb C)$?
40965
$t_1$, $t_2$, $t_3$ Hermitian generators of $SU(2)$
26110
Canonical isomorphism between $\mathfrak{so}(3)$ and $\mathbb R^3$ with vector cross product
72548
Lie group embeddings $SO(10) \supset SU(3) \times SU(2) \times U(1)?$
27056
$ gl(2,\mathbb C) \cong sl(2,\mathbb C) \oplus \mathbb C $