Geodesic
CI-property for the group $(\mathbb{Z}_p)^2\times\mathbb{Z}_q\times\mathbb{Z}_r$
Algebra and discrete mathematics, Tome 28 (2019) no. 1, pp. 20-28.

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In this paper we prove that the group $(\mathbb{Z}_p)^2\times\mathbb{Z}_q\times\mathbb{Z}_r$ is CI-group, where $p$, $q$, $r$ are primes such that $q$ and $r$ divide $p-1$, and $r$ divides $q-1$.
Keywords: CI-groups, Schur ring, wreath product. 
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Eskander Ali; Ahed Hassoon. CI-property for the group $(\mathbb{Z}_p)^2\times\mathbb{Z}_q\times\mathbb{Z}_r$. Algebra and discrete mathematics, Tome 28 (2019) no. 1, pp. 20-28. http://geodesic.mathdoc.fr/item/ADM_2019_28_1_a1/

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