Finite Group Databasebeta

D637 #11929699

order1274
isoclinismisoclinic class of D637
automorphismAut(G) order 321048
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD637
unambiguous semidirect productC13⋊D49
unambiguous semidirect productC49⋊D13

Splittings

Fitting, derived, HallC13×C49 ⋊ C2
SylowC49 ⋊ D13
SylowC13 ⋊ D49

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC13×C49C2
FrattiniC7D91
socleC7×C13D7
LCSG ▷ C13×C49
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 62
transitive degreeμt(G) = 637

A minimal faithful permutation representation — 2 generators on 62 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49)(50,51,52,53,54,55,56,57,58,59,60,61,62);(2,49)(3,48)(4,47)(5,46)(6,45)(7,44)(8,43)(9,42)(10,41)(11,40)(12,39)(13,38)(14,37)(15,36)(16,35)(17,34)(18,33)(19,32)(20,31)(21,30)(22,29)(23,28)(24,27)(25,26)(51,62)(52,61)(53,60)(54,59)(55,58)(56,57)

Polycyclic presentation:

2,7,13,7|b^7=d^6,b^a=b^6d,c^a=c^12,d^a=d^6

Conjugacy classes & character table

320 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD13×D49, C2×D637, (C13⋊C3)⋊D49, …
maximal normal subgroup ofD13×D49, C2×D637, (C13⋊C3)⋊D49, …
maximal quotient ofDic637, C2×D637, C3×D637, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1274, 3);