Finite Group Databasebeta
Cayley diagram

Dic79 #64653

order316
isoclinismisoclinic class of D79
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic79
unambiguous semidirect productC79⋊C4

Splittings

derived, SylowC79 ⋊ C4

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D79
commutator, hypocenterC79C4
Fitting, socle, prime radical, cosocleC2×C79C2
LCSG ▷ C79
UCSC1 ◁ C2

6 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 83
transitive degreeμt(G) = 316

A minimal faithful permutation representation — 2 generators on 83 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);(1,3,2,4)(6,83)(7,82)(8,81)(9,80)(10,79)(11,78)(12,77)(13,76)(14,75)(15,74)(16,73)(17,72)(18,71)(19,70)(20,69)(21,68)(22,67)(23,66)(24,65)(25,64)(26,63)(27,62)(28,61)(29,60)(30,59)(31,58)(32,57)(33,56)(34,55)(35,54)(36,53)(37,52)(38,51)(39,50)(40,49)(41,48)(42,47)(43,46)(44,45)

Polycyclic presentation:

2^2,79|a^2=b,c^a=c^78

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofDic158, C4×D79, C2×Dic79, …
maximal normal subgroup ofDic158, C4×D79, C2×Dic79, …
maximal quotient ofC79⋊C8, C2×Dic79, C3×Dic79, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(316, 1);