How can I get my new friend in a group context if we met on a dating app and have no mutual friends?

We started off going on a few dates but then decided the vibe was more friends than partners. But we both enjoyed each other’s company so agreed to stay friends. I want to meet her in a group as I don’t like hanging out 1 on 1 with female friends too much, I find it difficult if I find them attractive. So how can I get her into a group context if she doesn’t want to go to things with my friends.

How can I get my new friend in a group context if we met on a dating app and have no mutual friends?
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