Finite Group Databasebeta
Cayley diagram

D196 #87625

order392
isoclinismisoclinic class of Dic98
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD196
unambiguous semidirect productC4⋊D49

Splittings

FittingC4×C49 ⋊ C2
SylowC49 ⋊ D4

Subgroups

subgroupG/H
centerC2C2×D49
commutator, cosocleC2×C49C22
Frattini, socleC2×C7C2×D7
FittingC4×C49C2
hypercenterC4D49
hypocenterC49D4
LCSG ▷ C2×C49 ▷ C49
UCSC1 ◁ C2 ◁ C4

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 53
transitive degreeμt(G) = 196

A minimal faithful permutation representation — 2 generators on 53 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);(2,4)(6,53)(7,52)(8,51)(9,50)(10,49)(11,48)(12,47)(13,46)(14,45)(15,44)(16,43)(17,42)(18,41)(19,40)(20,39)(21,38)(22,37)(23,36)(24,35)(25,34)(26,33)(27,32)(28,31)(29,30)

Polycyclic presentation:

2^3,7^2|b^2=c,d^7=e^6,b^a=bc,d^a=d^6e,e^a=e^6

Conjugacy classes & character table

101 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11715986, D392, #11715995, …
maximal normal subgroup of#11715986, D392, #11715995, …
maximal quotient ofDic196, #11715986, D392, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(392, 5);