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2 cards from this section. Quick, good the night before a test.
What is the characteristic of a finite field?
Think about how many times you have to add 1 to get back to 0.
Give an example of a field and its characteristic.
Check what happens when you add 1 repeatedly.
What is the characteristic of a field?
Think about how you derive 0 from repeatedly adding 1.
True or False? The characteristic of a finite field can be a composite number.
Consider the implications of composite numbers.
Create a finite field with a characteristic of a composite number and demonstrate why it leads to a contradiction.
Identify the meaning behind composite numbers and their factors.
Investigate the properties of a finite field of characteristic 7 and discuss its closure under operations.
Each operation shouldn't produce an element outside of 0-6.
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