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Zulip Chat Archive

Stream: new members

Topic: group property


BANGJI HU (Aug 01 2024 at 15:09):

N₁,N₂ is normal subgroup of G₁,G₂ respectively,then N₁×N₂ is normal subgroup of

G₁×G₂ show that (G₁×G₂)/(N₁×N₂)≃(G₁/N₁)×(G₂/N₂)

BANGJI HU (Aug 01 2024 at 15:11):

How can I turn it into code?

Thomas Browning (Aug 01 2024 at 15:46):

You will want to use docs#Subgroup.prod


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