Question

How to take the conjugate of a number with more than 2 square roots

score 412 · Answer 1 · 2026-04-12 05:14:42

412

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How to take the conjugate of a number with more than 2 square roots

Published on 12 Apr 2026 - 5:14

score 59 · Answer 2 · 2018-02-07 00:01:33

59

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Subgroup of $S_8$ isomorphic to $G$

Published on 07 Feb 2018 - 0:01

score 64 · Answer 3 · 2026-04-09 02:01:59

64

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Let $ f $ be an irreducible polynomial in $ \mathbb{F }_q [x] $, why $ f ^\frac{s}{deg (f)} $ has degree term $ s-1 $?

Published on 09 Apr 2026 - 2:01

score 215 · Answer 4 · 2026-04-12 07:42:48

215

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Is $\mathbb Z[\sqrt[3]2] \cong \mathbb C$?

Published on 12 Apr 2026 - 7:42

score 123 · Answer 5 · 2026-04-11 21:25:15

123

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A group with 100 elements of order 5 is not abelian

Published on 11 Apr 2026 - 21:25

score 1k · Answer 6 · 2026-03-24 22:12:59

1k

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Do quotient rings have geometric meaning, or geometric intuition?

Published on 24 Mar 2026 - 22:12

score 2.7k · Answer 7 · 2026-04-08 23:44:21

2.7k

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Proving a prime ideal is maximal in a PID

Published on 08 Apr 2026 - 23:44

score 92 · Answer 8 · 2026-04-11 18:54:49

92

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Abstract Algebra: Question on Centralizer

Published on 11 Apr 2026 - 18:54

score 63 · Answer 9 · 2026-04-13 09:31:47

63

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If $f = a_0 + a_1t + \cdots\in\mathbb{Z}_p[[t]]$ has $p\mid a_0$ but $p\nmid f$, could $1/f$ have bounded denominators in $\mathbb{Q}_p[[t]]$?

Published on 13 Apr 2026 - 9:31

score 798 · Answer 10 · 2026-03-25 06:04:23

798

Views

The number of homomorphisms from $S_5$ to $A_6$

Published on 25 Mar 2026 - 6:04

score 85 · Answer 11 · 2026-03-25 04:42:48

85

Views

Find all k, such that $A_{k}= \left \{\sigma ^{k}|\sigma \in S_{n} \right \}$ is a subgroup of $S_{n}$

Published on 25 Mar 2026 - 4:42

score 128 · Answer 12 · 2026-04-09 00:31:26

128

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Contraction of primes associated to nonzerodivisors

Published on 09 Apr 2026 - 0:31

score 51 · Answer 13 · 2026-04-09 01:59:23

51

Views

Number of congruences for given polyhedron

Published on 09 Apr 2026 - 1:59

score 14.1k · Answer 14 · 2026-04-07 05:20:10

14.1k

Views

What is the algebraic closure of $\mathbb{Q}$?

Published on 07 Apr 2026 - 5:20

score 31 · Answer 15 · 2026-04-11 16:50:58

31

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$b\equiv a\mod pq\Leftrightarrow\ b\equiv a\mod p\text{ and }b\equiv a\mod q$

Published on 11 Apr 2026 - 16:50

List Question

How to take the conjugate of a number with more than 2 square roots

Subgroup of $S_8$ isomorphic to $G$

Let $ f $ be an irreducible polynomial in $ \mathbb{F }_q [x] $, why $ f ^\frac{s}{deg (f)} $ has degree term $ s-1 $?

Is $\mathbb Z[\sqrt[3]2] \cong \mathbb C$?

A group with 100 elements of order 5 is not abelian

Do quotient rings have geometric meaning, or geometric intuition?

Proving a prime ideal is maximal in a PID

Abstract Algebra: Question on Centralizer

If $f = a_0 + a_1t + \cdots\in\mathbb{Z}_p[[t]]$ has $p\mid a_0$ but $p\nmid f$, could $1/f$ have bounded denominators in $\mathbb{Q}_p[[t]]$?

The number of homomorphisms from $S_5$ to $A_6$

Find all k, such that $A_{k}= \left \{\sigma ^{k}|\sigma \in S_{n} \right \}$ is a subgroup of $S_{n}$

Contraction of primes associated to nonzerodivisors

Number of congruences for given polyhedron

What is the algebraic closure of $\mathbb{Q}$?

$b\equiv a\mod pq\Leftrightarrow\ b\equiv a\mod p\text{ and }b\equiv a\mod q$

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