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<p>&nbsp;<p>
<hr noshade size="5">
<h2><a name="AlffEltMin"></a>
AlffEltMin
</h2>

Returns the denominator d of an alff element a from a
form of the representation matrix of da \in o.

<p><p>

<h3>
Syntax:
</h3>
<pre>m := AlffEltMin(a);</pre>

<p>

<table>
<tr>
<td>coefficient ring element</td>
<td><pre>  m  </pre></td>
<td></td>
</tr>
<tr>
<td>alff element</td>
<td><pre>  a  </pre></td>
<td></td>
</tr>
</table>

<p>


See also:&nbsp;&nbsp;<a href="kashref.html#AlffEltRepMat">AlffEltRepMat</a>

<p>

<h3>
Description:
</h3>
If d is the denominator of an alff element a of the
order o this function returns the upper left corner element
of the upper column Hermite normal form of the representation
matrix of da \in o on the basis of o.

<p><p>

<p>
<hr>
<p>
<h3>
Example:
</h3>

<pre>

kash> AlffInit(FF(2,1));
"Defining global variables: k, w, kT, kTf, kTy, T, y, AlffGlobals"
kash> AlffOrders(y^3+T^3*y+T);
"Defining global variables: F, o, oi, one"
kash> a := AlffElt(o, [0,1,0] / T);
[ 0, 1, 0 ] / T
kash> AlffEltMin(a);
> T

</pre>

<p>


<hr>

<p>
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