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Related papers: Integer group determinants for ${\rm C}_{2}^{4}$

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We determine all possible values of the integer group determinant of ${\rm C}_{4}^{2}$, where ${\rm C}_{4}$ is the cyclic group of order $4$.

Number Theory · Mathematics 2023-03-21 Yuka Yamaguchi , Naoya Yamaguchi

For any positive integer $n$, let ${\rm C}_{n}$ be the cyclic group of order $n$. We determine all possible values of the integer group determinant of ${\rm C}_{2}^{2} \rtimes C_{4}$.

Number Theory · Mathematics 2023-03-31 Yuka Yamaguchi , Naoya Yamaguchi

Let ${\rm C}_{4}$ be the cyclic group of order $4$. We determine all possible values of the integer group determinant of ${\rm C}_{4} \rtimes {\rm C}_{4}$.

Number Theory · Mathematics 2023-03-31 Yuka Yamaguchi , Naoya Yamaguchi

For any positive integer $n$, let ${\rm C}_{n}$ be the cyclic group of order $n$. We determine all possible values of the integer group determinant of ${\rm C}_{4} \times {\rm C}_{2}^{2}$, which is the only unsolved abelian group of order…

Number Theory · Mathematics 2023-03-22 Yuka Yamaguchi , Naoya Yamaguchi

For the symmetric group $S_4$ we determine all the integer values taken by its group determinant when the matrix entries are integers.

Number Theory · Mathematics 2018-06-28 Christopher Pinner

For every group of order at most 14 we determine the values taken by its group determinant when its variables are integers.

Number Theory · Mathematics 2018-06-04 Christopher Pinner , Christopher Smyth

We determine the minimal non-trivial integer group determinant for the dicyclic group of order $4n$ when $n$ is odd. We also discuss the set of all integer group determinants for the dicyclic groups of order $4p$.

Number Theory · Mathematics 2021-09-22 Bishnu Paudel , Chris Pinner

We obtain a complete description of the integer group determinants for $Q_{16},$ the dicyclic or generalized quaternion group of order 16.

Number Theory · Mathematics 2023-02-24 Bishnu Paudel , Christopher Pinner

We obtain a complete description of the integer group determinants for SmallGroup(16,13), the central product of the dihedral group of order eight and cyclic group of order four. These values are the same as the integer group determinants…

Number Theory · Mathematics 2023-04-07 Humberto Bautista Serrano , Bishnu Paudel , Chris Pinner

In this paper, we give a refinement of a generalized Dedekind's theorem. In addition, we show that all possible values of integer group determinants of any group are also possible values of integer group determinants of its any abelian…

Representation Theory · Mathematics 2023-06-28 Naoya Yamaguchi , Yuka Yamaguchi

Let $\mathbb Z_n$ denote the cyclic group of order $n$. We show how the group determinant for $G= \mathbb Z_n \times H$ can be simply written in terms of the group determinant for $H$. We use this to get a complete description of the…

Number Theory · Mathematics 2023-03-16 Bishnu Paudel , Christopher Pinner

We give a necessary and sufficient condition for a prime to be an integer group determinant for an arbitrary abelian $p$-group of the form ${\rm C}_{p} \times H$, where ${\rm C}_{p}$ is the cyclic group of order $p$. Also, we show that…

Number Theory · Mathematics 2023-10-05 Yuka Yamaguchi , Naoya Yamaguchi

We obtain a complete description of the integer group determinants for the non-abelian groups of order 18.

Number Theory · Mathematics 2023-05-04 Bishnu Paudel , Chris Pinner

We obtain a complete description of the integer group determinants for $\mathbb Z_{18}$ (these are the $18\times18$ circulant determinants with integer entries) and $\mathbb Z_3 \times \mathbb Z_6$, the two abelian groups of order 18. This…

Number Theory · Mathematics 2024-12-17 Bishnu Paudel , Chris Pinner

The exact degree bound for the generators of rings of polynomial invariants is determined for the finite, non-cyclic groups having a cyclic subgroup of index two. It is proved that the Noether number of these groups equals one half the…

Representation Theory · Mathematics 2012-05-15 K. Cziszter , M. Domokos

Cappell's unitary nilpotent groups UNil(R;R,R) are calculated for the integral group ring R=Z[C_2] of the cyclic group C_2 of order two. Specifically, they are determined as modules over the Verschiebung algebra V using the…

Algebraic Topology · Mathematics 2010-06-07 Qayum Khan

We consider indecomposable representations of the Klein four group over a field of characteristic $2$ and of a cyclic group of order $pm$ with $p,m$ coprime over a field of characteristic $p$. For each representation we explicitly describe…

Commutative Algebra · Mathematics 2016-01-26 Martin Kohls , Mufit Sezer

Let KG be a group algebra of a finite p-group G over a finite field K of characteristic p. We compute the order of the unitary subgroup of the group of units when G is either an extraspecial 2-group or the central product of such a group…

Rings and Algebras · Mathematics 2007-05-23 Victor Bovdi , A. L. Rosa

We establish a congruence satisfied by the integer group determinants for the non-abelian Heisenberg group of order $p^3$. We characterize all determinant values coprime to $p$, give sharp divisibility conditions for multiples of $p$, and…

Number Theory · Mathematics 2021-08-12 Michael J. Mossinghoff , Christopher Pinner

We obtain a complete description of the integer group determinants for SmallGroup(16,8), the semidihedral group of order 16. While this paper was in preparation, a complete descriptions for this group was independently obtained by Yuka…

Number Theory · Mathematics 2023-04-11 Humberto Bautista Serrano , Bishnu Paudel , Chris Pinner
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