Question

what is the factor group $\mathcal{U}_n(\mathbb{C})/S\mathcal{U}_n^{\mathrm{Tr}}(\mathbb{C})$?

score 99 · Answer 1 · 2017-07-18 18:41:10

99

Views

what is the factor group $\mathcal{U}_n(\mathbb{C})/S\mathcal{U}_n^{\mathrm{Tr}}(\mathbb{C})$?

Published on 18 Jul 2017 - 18:41

score 60 · Answer 2 · 2017-07-21 17:22:38

60

Views

Quotient group (matrices)

Published on 21 Jul 2017 - 17:22

score 40 · Answer 3 · 2017-07-24 14:42:13

40

Views

(lattices) image of $\Gamma''$ in $\Gamma/p\Gamma$

Published on 24 Jul 2017 - 14:42

score 303 · Answer 4 · 2017-07-29 02:53:46

303

Views

Showing that the dihedral group $D_n = \{a^i b^j \mid 0 <i <6, \ 0 <j< 2 \}$ quotiented by $\langle a^k \rangle$ is isomorphic to $D_k$

Published on 29 Jul 2017 - 2:53

score 247 · Answer 5 · 2017-08-04 22:34:20

247

Views

Set of left cosets = set of right cosets implies normal

Published on 04 Aug 2017 - 22:34

score 12.9k · Answer 6 · 2017-08-05 17:35:02

12.9k

Views

When is a quotient group abelian?

Published on 05 Aug 2017 - 17:35

score 202 · Answer 7 · 2026-02-23 04:41:40

202

Views

If every nonzero quotient of $G$ is infinite, then $G$ is divisible

Published on 23 Feb 2026 - 4:41

score 447 · Answer 8 · 2017-08-26 12:07:58

447

Views

Normal subgroup of prime power order

Published on 26 Aug 2017 - 12:07

score 105 · Answer 9 · 2017-08-29 23:48:33

105

Views

Is $(\Bbb{Z}/12\Bbb{Z})/(3 \Bbb{Z}/12\Bbb{Z}) \times 3 \Bbb{Z}/12\Bbb{Z} \cong \Bbb{Z}/12\Bbb{Z}$?

Published on 29 Aug 2017 - 23:48

score 404 · Answer 10 · 2026-03-26 17:53:45

404

Views

Show that any automorphism of the free group maps the normal commutator group to the normal commutator group

Published on 26 Mar 2026 - 17:53

score 219 · Answer 11 · 2017-09-04 00:02:05

219

Views

Group Isomorphic to $(\mathbb{Z} \times \mathbb{Z})/ \langle(a,b),(c,d)\rangle$

Published on 04 Sep 2017 - 0:02

score 83 · Answer 12 · 2017-09-06 14:53:14

83

Views

Order of quotient group in $(\mathbb{Z}, +)$

Published on 06 Sep 2017 - 14:53

score 354 · Answer 13 · 2017-09-12 15:36:12

354

Views

Abelianization of a group

Published on 12 Sep 2017 - 15:36

score 170 · Answer 14 · 2017-09-16 09:07:20

170

Views

Is the quotient space O(3)/SO(2) a group?

Published on 16 Sep 2017 - 9:07

score 79 · Answer 15 · 2017-09-22 04:13:14

79

Views

Is that the fact that if $A/B=C$, then $B=A/C$ for groups $A,B,C$?

Published on 22 Sep 2017 - 4:13

List Question

what is the factor group $\mathcal{U}_n(\mathbb{C})/S\mathcal{U}_n^{\mathrm{Tr}}(\mathbb{C})$?

Quotient group (matrices)

(lattices) image of $\Gamma''$ in $\Gamma/p\Gamma$

Showing that the dihedral group $D_n = \{a^i b^j \mid 0 <i <6, \ 0 <j< 2 \}$ quotiented by $\langle a^k \rangle$ is isomorphic to $D_k$

Set of left cosets = set of right cosets implies normal

When is a quotient group abelian?

If every nonzero quotient of $G$ is infinite, then $G$ is divisible

Normal subgroup of prime power order

Is $(\Bbb{Z}/12\Bbb{Z})/(3 \Bbb{Z}/12\Bbb{Z}) \times 3 \Bbb{Z}/12\Bbb{Z} \cong \Bbb{Z}/12\Bbb{Z}$?

Show that any automorphism of the free group maps the normal commutator group to the normal commutator group

Group Isomorphic to $(\mathbb{Z} \times \mathbb{Z})/ \langle(a,b),(c,d)\rangle$

Order of quotient group in $(\mathbb{Z}, +)$

Abelianization of a group

Is the quotient space O(3)/SO(2) a group?

Is that the fact that if $A/B=C$, then $B=A/C$ for groups $A,B,C$?

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