Line 5,885: |
Line 5,885: |
| themselves, we may take the abstract view of the group's operational | | themselves, we may take the abstract view of the group's operational |
| structure, say, in the form of the group operation table copied here: | | structure, say, in the form of the group operation table copied here: |
| + | </pre> |
| | | |
− | o---------o---------o---------o---------o---------o
| + | <br> |
− | | % | | | |
| |
− | | · % e | f | g | h |
| |
− | | % | | | |
| |
− | o=========o=========o=========o=========o=========o
| |
− | | % | | | |
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− | | e % e | f | g | h |
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− | | % | | | |
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− | o---------o---------o---------o---------o---------o
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− | | % | | | |
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− | | f % f | e | h | g |
| |
− | | % | | | |
| |
− | o---------o---------o---------o---------o---------o
| |
− | | % | | | |
| |
− | | g % g | h | e | f |
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− | | % | | | |
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− | o---------o---------o---------o---------o---------o
| |
− | | % | | | |
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− | | h % h | g | f | e |
| |
− | | % | | | |
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− | o---------o---------o---------o---------o---------o
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| | | |
| + | {| align="center" cellpadding="0" cellspacing="0" style="border-left:1px solid black; border-top:1px solid black; border-right:1px solid black; border-bottom:1px solid black; text-align:center; width:60%" |
| + | |- style="height:50px" |
| + | | width="12%" style="border-bottom:1px solid black; border-right:1px solid black" | <math>\cdot</math> |
| + | | width="22%" style="border-bottom:1px solid black" | |
| + | <math>\operatorname{e}</math> |
| + | | width="22%" style="border-bottom:1px solid black" | |
| + | <math>\operatorname{f}</math> |
| + | | width="22%" style="border-bottom:1px solid black" | |
| + | <math>\operatorname{g}</math> |
| + | | width="22%" style="border-bottom:1px solid black" | |
| + | <math>\operatorname{h}</math> |
| + | |- style="height:50px" |
| + | | style="border-right:1px solid black" | <math>\operatorname{e}</math> |
| + | | <math>\operatorname{e}</math> |
| + | | <math>\operatorname{f}</math> |
| + | | <math>\operatorname{g}</math> |
| + | | <math>\operatorname{h}</math> |
| + | |- style="height:50px" |
| + | | style="border-right:1px solid black" | <math>\operatorname{f}</math> |
| + | | <math>\operatorname{f}</math> |
| + | | <math>\operatorname{e}</math> |
| + | | <math>\operatorname{h}</math> |
| + | | <math>\operatorname{g}</math> |
| + | |- style="height:50px" |
| + | | style="border-right:1px solid black" | <math>\operatorname{g}</math> |
| + | | <math>\operatorname{g}</math> |
| + | | <math>\operatorname{h}</math> |
| + | | <math>\operatorname{e}</math> |
| + | | <math>\operatorname{f}</math> |
| + | |- style="height:50px" |
| + | | style="border-right:1px solid black" | <math>\operatorname{h}</math> |
| + | | <math>\operatorname{h}</math> |
| + | | <math>\operatorname{g}</math> |
| + | | <math>\operatorname{f}</math> |
| + | | <math>\operatorname{e}</math> |
| + | |} |
| + | |
| + | <br> |
| + | |
| + | <pre> |
| This table is abstractly the same as, or isomorphic to, the versions with | | This table is abstractly the same as, or isomorphic to, the versions with |
| the E_ij operators and the T_ij transformations that we discussed earlier. | | the E_ij operators and the T_ij transformations that we discussed earlier. |