Finite Group Databasebeta

D469 #11745633

order938
isoclinismisoclinic class of D469
automorphismAut(G) order 185724
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD469
unambiguous semidirect productC7⋊D67
unambiguous semidirect productC67⋊D7

Splittings

Fitting, socle, derived, HallC7×C67 ⋊ C2
SylowC67 ⋊ D7
SylowC7 ⋊ D67

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C67C2
LCSG ▷ C7×C67
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 74
transitive degreeμt(G) = 469

A minimal faithful permutation representation — 2 generators on 74 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);(2,7)(3,6)(4,5)(9,74)(10,73)(11,72)(12,71)(13,70)(14,69)(15,68)(16,67)(17,66)(18,65)(19,64)(20,63)(21,62)(22,61)(23,60)(24,59)(25,58)(26,57)(27,56)(28,55)(29,54)(30,53)(31,52)(32,51)(33,50)(34,49)(35,48)(36,47)(37,46)(38,45)(39,44)(40,43)(41,42)

Polycyclic presentation:

2,7,67|b^a=b^6,c^a=c^66

Conjugacy classes & character table

236 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×D67, C2×D469, C3×D469, …
maximal normal subgroup ofD7×D67, C2×D469, C3×D469, …
maximal quotient ofDic469, C2×D469, C3×D469, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(938, 3);