Finite Group Databasebeta

D635 #11929649

order1270
isoclinismisoclinic class of D635
automorphismAut(G) order 320040
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD635
unambiguous semidirect productC5⋊D127
unambiguous semidirect productC127⋊D5

Splittings

Fitting, socle, derived, HallC5×C127 ⋊ C2
SylowC127 ⋊ D5
SylowC5 ⋊ D127

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC5×C127C2
LCSG ▷ C5×C127
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 132
transitive degreeμt(G) = 635

A minimal faithful permutation representation — 2 generators on 132 points:

(1,2,3,4,5)(6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132);(2,5)(3,4)(7,132)(8,131)(9,130)(10,129)(11,128)(12,127)(13,126)(14,125)(15,124)(16,123)(17,122)(18,121)(19,120)(20,119)(21,118)(22,117)(23,116)(24,115)(25,114)(26,113)(27,112)(28,111)(29,110)(30,109)(31,108)(32,107)(33,106)(34,105)(35,104)(36,103)(37,102)(38,101)(39,100)(40,99)(41,98)(42,97)(43,96)(44,95)(45,94)(46,93)(47,92)(48,91)(49,90)(50,89)(51,88)(52,87)(53,86)(54,85)(55,84)(56,83)(57,82)(58,81)(59,80)(60,79)(61,78)(62,77)(63,76)(64,75)(65,74)(66,73)(67,72)(68,71)(69,70)

Polycyclic presentation:

2,5,127|b^a=b^4,c^a=c^126

Conjugacy classes & character table

319 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD5×D127, C2×D635, C3×D635, …
maximal normal subgroup ofD5×D127, C2×D635, C3×D635, …
maximal quotient ofDic635, C2×D635, C3×D635, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1270, 3);