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Design parameters are 2-(7,3,1), b=7
Blocks of the design are:
012 034 056 135 146 236 245
The design is simple
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Auto’m group order is 168
All non-isomorphic minimal defining sets are:
012 034 135
Size=3 |Aut|=6
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Size Count
—- —–
3 1
Only 1 (non-isomorphic) minimal defining set
Totally 28 (inequivalent) minimal defining sets
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