query: Four groups of order 20 that are not isomorphic
positive_passages.docid: 81892
positive_passages.text: Find four groups of order 20 not isomorphic to each other.
negative_passages.docid: 42582
negative_passages.text: Infinite group with only two conjugacy classes
negative_passages.docid: 148904
negative_passages.text: Groups of order $p^3$
negative_passages.docid: 83919
negative_passages.text: How to show $D_3\oplus D_4$ is not isomorphic to $D_{24}$?
negative_passages.docid: 3439
negative_passages.text: Other proofs that subgroups of $A_5$ have order at most 12
negative_passages.docid: 59811
negative_passages.text: Finite Abelian groups with the same number of elements for all orders are isomorphic
negative_passages.docid: 62277
negative_passages.text: Cayley tables for two non-isomorphic groups of order 4.
negative_passages.docid: 62977
negative_passages.text: Show on $\mathbb{N}$ there are $2^{\aleph_0}$ nonisomorphic linear orders.
negative_passages.docid: 15526
negative_passages.text: Question on groups of order $pq$
negative_passages.docid: 99538
negative_passages.text: Non-trivial groups pairwise non-isomorphic with isomorphic direct products
negative_passages.docid: 157841
negative_passages.text: Existence of a non-abelian group of order $p^n$.
negative_passages.docid: 108250
negative_passages.text: A group of order $595$ has a normal Sylow 17-subgroup.
negative_passages.docid: 66877
negative_passages.text: Showing groups of order $p^{k}(p+1)$ are not simple, p prime
negative_passages.docid: 37904
negative_passages.text: Prove that the multiplicative groups $\mathbb{R} - \{0\}$ and $\mathbb{C} - \{0\}$ are not isomorphic.
negative_passages.docid: 41688
negative_passages.text: An elementary problem in Group Theory: the unique noncyclic group of order 4
negative_passages.docid: 76943
negative_passages.text: Existence of subgroup of order six in $A_4$
negative_passages.docid: 141188
negative_passages.text: Groups of order $56$