Question

Basic question on quadratic fields

score 61 · Answer 1 · 2026-04-15 22:32:44

61

Views

Basic question on quadratic fields

Published on 15 Apr 2026 - 22:32

score 1k · Answer 2 · 2026-04-15 20:24:38

1k

Views

Calculate the order of the following group elements.

Published on 15 Apr 2026 - 20:24

score 397 · Answer 3 · 2026-04-17 03:03:36

397

Views

Subrings and ideals of subring $\mathbb{Q}_p$ of $\mathbb{Q}$

Published on 17 Apr 2026 - 3:03

score 709 · Answer 4 · 2026-04-18 11:22:09

709

Views

Infinite case: Let $N$ be a normal subgroup of index m in $G$. Prove that $a^{m}\in N$ for all $a\in G$

Published on 18 Apr 2026 - 11:22

score 884 · Answer 5 · 2026-04-14 09:40:39

884

Views

Clarification of: $f$ has no multiple root in any field extension of $F$ unless $f'$ is the zero polynomial

Published on 14 Apr 2026 - 9:40

score 50 · Answer 6 · 2026-04-13 21:02:36

50

Views

Automorphism groups of $\mathbb{Z}^n $ and $\mathbb{Q}^n $ .

Published on 13 Apr 2026 - 21:02

score 93 · Answer 7 · 2026-04-09 20:53:38

93

Views

A question about rings, true or false statements

Published on 09 Apr 2026 - 20:53

score 159 · Answer 8 · 2026-04-29 12:54:11

159

Views

Tensor troubles: Finding product of fields isomorphic to a given tensor product of field extensions of $\mathbb{Q}$

Published on 29 Apr 2026 - 12:54

score 115 · Answer 9 · 2026-04-20 08:34:18

115

Views

Basis for the vector space over $\mathbb{Q}$

Published on 20 Apr 2026 - 8:34

score 59 · Answer 10 · 2026-04-15 07:04:51

59

Views

Which of the following is not a proper ideal group

Published on 15 Apr 2026 - 7:04

score 402 · Answer 11 · 2026-04-16 16:54:59

402

Views

Is $\langle x^2+1,y\rangle$ maximal or prime in $\Bbb{R}[x,y]$ or $\Bbb{C}[x,y]$

Published on 16 Apr 2026 - 16:54

score 130 · Answer 12 · 2026-04-29 12:48:56

130

Views

How to compute $H^i_{\operatorname{fppf}}(\mathbb{P}^1,\alpha_p)$?

Published on 29 Apr 2026 - 12:48

score 83 · Answer 13 · 2026-05-03 11:14:33

83

Views

For which $n$, is $\Bbb{Z}_n \cong H \oplus (\Bbb{Z}_n/H) $ is true?

Published on 03 May 2026 - 11:14

score 345 · Answer 14 · 2026-04-17 12:35:34

345

Views

Group of order 71119 has a normal subgroup of order 11 or order 19

Published on 17 Apr 2026 - 12:35

score 272 · Answer 15 · 2026-04-16 12:47:12

272

Views

Number elements in $\Bbb{Z}[i]/\langle3+i\rangle$

Published on 16 Apr 2026 - 12:47

List Question

Basic question on quadratic fields

Calculate the order of the following group elements.

Subrings and ideals of subring $\mathbb{Q}_p$ of $\mathbb{Q}$

Infinite case: Let $N$ be a normal subgroup of index m in $G$. Prove that $a^{m}\in N$ for all $a\in G$

Clarification of: $f$ has no multiple root in any field extension of $F$ unless $f'$ is the zero polynomial

Automorphism groups of $\mathbb{Z}^n $ and $\mathbb{Q}^n $ .

A question about rings, true or false statements

Tensor troubles: Finding product of fields isomorphic to a given tensor product of field extensions of $\mathbb{Q}$

Basis for the vector space over $\mathbb{Q}$

Which of the following is not a proper ideal group

Is $\langle x^2+1,y\rangle$ maximal or prime in $\Bbb{R}[x,y]$ or $\Bbb{C}[x,y]$

How to compute $H^i_{\operatorname{fppf}}(\mathbb{P}^1,\alpha_p)$?

For which $n$, is $\Bbb{Z}_n \cong H \oplus (\Bbb{Z}_n/H) $ is true?

Group of order 71119 has a normal subgroup of order 11 or order 19

Number elements in $\Bbb{Z}[i]/\langle3+i\rangle$

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