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WikiCards · Card list · Science cards · Modular group
Uncommon card · Science
Modular group, an Uncommon card
In mathematics, the modular group is the projective special linear group PSL of 2 × 2 matrices with integer coefficients and determinant 1, such that the matrices A and − A are identified.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 67
- DEF
- 52
- Power
- 119
- Wikipedia reads a year
- 24,000
Power 119 (ATK + DEF): stronger than 55 % of WikiCards cards.
Modular group quiz: 3 questions
Three questions on the Modular group card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The modular group acts on the upper-half of the complex plane by linear fractional ______.
Answer
transformations. The modular group acts on the upper-half of the complex plane by linear fractional transformations. From the Modular group article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Geographer. Geographer 71 · Modular group 67 · Duchy of Urbino 64 · Clifton Williams 61 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The modular group acts on the upper-half of the complex plane by linear fractional transformations.
- The name "modular group" comes from the relation to moduli spaces, and not from modular arithmetic.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Modular group article was read about 24,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 67 and blocks with 52: each hit it takes is cut by 21 %.
How to get Modular group
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Modular group in the power ranking, all domains together.
- Carlos GonzálezUncommon · Society · ATK 66 DEF 53
- Clifton WilliamsUncommon · History · ATK 61 DEF 58
- Duchy of UrbinoUncommon · Science · ATK 64 DEF 55
- Zhang GaoliUncommon · History · ATK 69 DEF 50
- Boris KustodievUncommon · Arts · ATK 60 DEF 59
- David M. SabatiniUncommon · Science · ATK 66 DEF 53
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Modular group (revision), CC BY-SA 4.0. Photo : Original: Jakob.scholbach Vector: Pbroks13, CC BY-SA 3.0, Wikimedia Commons.
