List questions from group-isomorphism

Published on 07 Oct 2019 - 19:58

506

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isomorphic quotient groups but non-isomorphic subgroups

Published on 29 Mar 2026 - 4:48

237

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Isomorphic subgroups such that the quotient is isomorphic.

Published on 25 Mar 2026 - 19:02

614

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Proving the Heisenberg Group of modulo $p$ is isomorphic to $D_8$.

Published on 13 Oct 2019 - 22:16

29

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Matrix of exponentials is isomorphric to the real line with additon (positive real line with multiplication)

Published on 14 Oct 2019 - 14:20

180

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Group in which every nonidentity element is of order 2

Published on 29 Mar 2026 - 8:21

44

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Help with proof about quotient groups

Published on 26 Mar 2026 - 2:57

78

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Why is this function not a group isomorphism?

Published on 27 Mar 2026 - 14:57

76

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How to prove/disprove that given two Groups are isomorphic.

Published on 29 Mar 2026 - 15:31

226

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Group Isomorphism of Rational numbers under addition

Published on 30 Mar 2026 - 5:31

230

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A proof that $f(K)\le H$ if $K\le G$ for an isomorphism $f: G\to H$.

Published on 25 Oct 2019 - 20:50

41

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Homomorphism of $\mathbb{F}_p^*$

Published on 26 Oct 2019 - 3:44

114

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Question regarding first theorem of isomorphism?

Published on 27 Oct 2019 - 4:30

1.5k

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Commutator subgroup of dihedral group

Published on 26 Mar 2026 - 12:46

86

Views

Confusion about dimension of Lie algebras, and 'isomorphism between Lie algebras'

Published on 25 Mar 2026 - 19:06

List Question

Which group isomorphism theorem is being used here?

isomorphic quotient groups but non-isomorphic subgroups

Isomorphic subgroups such that the quotient is isomorphic.

Proving the Heisenberg Group of modulo $p$ is isomorphic to $D_8$.

Matrix of exponentials is isomorphric to the real line with additon (positive real line with multiplication)

Group in which every nonidentity element is of order 2

Help with proof about quotient groups

Why is this function not a group isomorphism?

How to prove/disprove that given two Groups are isomorphic.

Group Isomorphism of Rational numbers under addition

A proof that $f(K)\le H$ if $K\le G$ for an isomorphism $f: G\to H$.

Homomorphism of $\mathbb{F}_p^*$

Question regarding first theorem of isomorphism?

Commutator subgroup of dihedral group

Confusion about dimension of Lie algebras, and 'isomorphism between Lie algebras'

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