Finite Group Databasebeta

D9401 #34037773

order18802
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD9401
unambiguous semidirect productC7⋊D1343
unambiguous semidirect productC17⋊D553
unambiguous semidirect productC79⋊D119

Splittings

Fitting, socle, derived, HallC7×C17×C79 ⋊ C2
HallC17×C79 ⋊ D7
HallC7×C79 ⋊ D17
HallC7×C17 ⋊ D79
SylowC79 ⋊ D119
SylowC17 ⋊ D553
SylowC7 ⋊ D1343

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C17×C79C2
LCSG ▷ C7×C17×C79
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 103
transitive degreeμt(G) = 9401

A minimal faithful permutation representation — 2 generators on 103 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);(2,7)(3,6)(4,5)(9,24)(10,23)(11,22)(12,21)(13,20)(14,19)(15,18)(16,17)(26,103)(27,102)(28,101)(29,100)(30,99)(31,98)(32,97)(33,96)(34,95)(35,94)(36,93)(37,92)(38,91)(39,90)(40,89)(41,88)(42,87)(43,86)(44,85)(45,84)(46,83)(47,82)(48,81)(49,80)(50,79)(51,78)(52,77)(53,76)(54,75)(55,74)(56,73)(57,72)(58,71)(59,70)(60,69)(61,68)(62,67)(63,66)(64,65)

Polycyclic presentation:

2,7,17,79|b^a=b^6,c^a=c^16,d^a=d^78

Conjugacy classes & character table

4702 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD79×D119, D17×D553, D7×D1343, …
maximal normal subgroup ofD79×D119, D17×D553, D7×D1343, …
maximal quotient ofDic9401, C2×D9401

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18802, 8);