Question

If $\{M_\alpha\}$ is a set of irreducible modules, then is $\prod M_\alpha$ completely reducible?

score 144 · Answer 1 · 2026-03-25 18:57:46

144

Views

If $\{M_\alpha\}$ is a set of irreducible modules, then is $\prod M_\alpha$ completely reducible?

Published on 25 Mar 2026 - 18:57

score 133 · Answer 2 · 2019-07-17 11:32:48

133

Views

Permutations and Internal direct product.

Published on 17 Jul 2019 - 11:32

score 51 · Answer 3 · 2026-03-25 10:52:53

51

Views

Is this an isomorphism for $D_8$?

Published on 25 Mar 2026 - 10:52

score 770 · Answer 4 · 2019-07-30 02:58:50

770

Views

Is finite group isomorphic with the direct prouct of the Sylow $p$ subgroups?

Published on 30 Jul 2019 - 2:58

score 75 · Answer 5 · 2019-07-30 08:50:38

75

Views

Question about direct product.

Published on 30 Jul 2019 - 8:50

score 113 · Answer 6 · 2026-03-25 19:04:38

113

Views

How to draw automorphisms of a Cayley graph

Published on 25 Mar 2026 - 19:04

score 39 · Answer 7 · 2019-08-10 02:04:38

39

Views

Deducing which elements of $\Bbb U_{20}$ generate its subgroups given that we know the subgroup structure of $C_4\times C_2$

Published on 10 Aug 2019 - 2:04

score 596 · Answer 8 · 2019-08-18 23:18:50

596

Views

Number of elements of a certain order of a direct product of finite cyclic groups.

Published on 18 Aug 2019 - 23:18

score 202 · Answer 9 · 2019-08-19 10:05:39

202

Views

Finding the maximum order of an element of $U(4) \times U(9) \times U(5)$

Published on 19 Aug 2019 - 10:05

score 59 · Answer 10 · 2026-03-25 09:32:14

59

Views

In the group $\bigoplus_{j=-\infty}^{\infty} G$ does $a \cdot_k b = (a_{j+k} b_j)$ also form a group?

Published on 25 Mar 2026 - 9:32

score 143 · Answer 11 · 2026-03-25 15:53:35

143

Views

Using presentations, prove $\frac{\Bbb{Z} \times \Bbb{Z}}{\langle(3,3)\rangle}\cong\Bbb{Z} \times \Bbb{Z_3}$.

Published on 25 Mar 2026 - 15:53

score 259 · Answer 12 · 2019-09-09 19:17:34

259

Views

Direct product vs Cartesian product

Published on 09 Sep 2019 - 19:17

score 76 · Answer 13 · 2019-09-10 12:55:15

76

Views

Identification of a Cartesian product

Published on 10 Sep 2019 - 12:55

score 36 · Answer 14 · 2019-09-13 12:44:00

36

Views

Find the subgroup for this given group, $G$(Easy question) - direct product

Published on 13 Sep 2019 - 12:44

score 404 · Answer 15 · 2019-09-22 08:05:52

404

Views

If $G \oplus H$ is isomorphic to a proper subgroup of itself, then must the same be true of one of $G$ and $H$?

Published on 22 Sep 2019 - 8:05

List Question

If $\{M_\alpha\}$ is a set of irreducible modules, then is $\prod M_\alpha$ completely reducible?

Permutations and Internal direct product.

Is this an isomorphism for $D_8$?

Is finite group isomorphic with the direct prouct of the Sylow $p$ subgroups?

Question about direct product.

How to draw automorphisms of a Cayley graph

Deducing which elements of $\Bbb U_{20}$ generate its subgroups given that we know the subgroup structure of $C_4\times C_2$

Number of elements of a certain order of a direct product of finite cyclic groups.

Finding the maximum order of an element of $U(4) \times U(9) \times U(5)$

In the group $\bigoplus_{j=-\infty}^{\infty} G$ does $a \cdot_k b = (a_{j+k} b_j)$ also form a group?

Using presentations, prove $\frac{\Bbb{Z} \times \Bbb{Z}}{\langle(3,3)\rangle}\cong\Bbb{Z} \times \Bbb{Z_3}$.

Direct product vs Cartesian product

Identification of a Cartesian product

Find the subgroup for this given group, $G$(Easy question) - direct product

If $G \oplus H$ is isomorphic to a proper subgroup of itself, then must the same be true of one of $G$ and $H$?

Trending Questions

Popular # Hahtags

Popular Questions