<html><head><title>[xgap] 5.11 Vertex Shapes</title></head> <body text="#000000" bgcolor="#ffffff"> [<a href = "C005S000.htm">Up</a>] [<a href ="C005S010.htm">Previous</a>] [<a href ="C005S012.htm">Next</a>] [<a href = "theindex.htm">Index</a>] <h1>5.11 Vertex Shapes</h1><p> <p> The following vertex shapes can appear in an interactive lattice: <p> <a name = "SSEC1"></a> <li><code>circle</code> <p> Subgroup is not normal in whole group. <p> <a name = "SSEC2"></a> <li><code>diamond</code> <p> Subgroup is normal in whole group. <p> <a name = "SSEC3"></a> <li><code>rectangle</code> <p> Subgroup has an index that is too big for automatic calculation of normality. So it is not yet known whether this group is normal. <p> Automatic calculation is controlled by the following variable: <p> <a name = "SSEC4"></a> <li><code>GGLLimitForIsNormalCalc V</code> <p> Only for subgroups with index smaller than this number an automatic <code>IsNormal</code> test is performed when the vertex is added to the sheet. <p> <p> [<a href = "C005S000.htm">Up</a>] [<a href ="C005S010.htm">Previous</a>] [<a href ="C005S012.htm">Next</a>] [<a href = "theindex.htm">Index</a>] <P> <address>xgap manual<br>Mai 2003 </address></body></html>
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