2002
DOI: 10.7146/math.scand.a-14368
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2-Generator arithmetic Kleinian groups III

Abstract: This paper forms part of the program to identify all the 2-generator arithmetic Kleinian groups. Here we identify all conjugacy classes of such groups with one generator parabolic and the other generator elliptic. There are exactly 14 of these and exactly 5 Bianchi groups in their commensurability class, namely PSL(2, O d ) for d = 1, 2, 3, 7 and 15. This complements our earlier identification of the 4 arithmetic Kleinian groups generated by two parabolic elements.

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Cited by 9 publications
(13 citation statements)
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“…Also from §3, |γ 1 | ≤ 4. Furthermore, by (11), γ 2 = β 1 − γ 1 also corresponds to a group generated by an element of order 2 and an element of order p. Thus we can assume that the γ 1 -space is symmetric about (γ 1 ) = β 1 /2 and so…”
Section: Balancing Methodsmentioning
confidence: 99%
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“…Also from §3, |γ 1 | ≤ 4. Furthermore, by (11), γ 2 = β 1 − γ 1 also corresponds to a group generated by an element of order 2 and an element of order p. Thus we can assume that the γ 1 -space is symmetric about (γ 1 ) = β 1 /2 and so…”
Section: Balancing Methodsmentioning
confidence: 99%
“…No values of c 0 (22,11,2) γ (22,11) No values of c 0 Here we consider the cases where r = 2 so that δ satisfies p(x) = x 2 +c 1 x+c 0 . From the Basic Methods we have obtained candidate values for c 1 and c 0 .…”
Section: Triplementioning
confidence: 99%
See 1 more Smart Citation
“…This is equivalent to Γ being commensurable with the Bianchi group PSL 2 (O d ), so it is useful to recall from Section 5 of [6] the presentations of several Bianchi groups (cf. [13] and [29]).…”
Section: Theorem 34 a Finite-covolume Non-cocompact Kleinian Group mentioning
confidence: 99%
“…We also recall Theorem 1.1 from [6], which identifies all two-generator arithmetic Kleinian groups with one generator parabolic and the other elliptic. We further note the invariant trace field of each.…”
Section: Theorem 34 a Finite-covolume Non-cocompact Kleinian Group mentioning
confidence: 99%