Finite Group Databasebeta

Dic441 #13183485

order1764
isoclinismisoclinic class of D441
automorphismAut(G) order 222264
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic441
unambiguous semidirect productC9⋊Dic49
unambiguous semidirect productC49⋊Dic9

Splittings

derived, HallC9×C49 ⋊ C4
SylowC49 ⋊ Dic9
SylowC9 ⋊ Dic49

Subgroups

subgroupG/H
center, hypercenterC2D441
commutator, hypocenterC9×C49C4
Frattini, socle, prime radicalC2×C3×C7D21
Fitting, cosocleC2×C9×C49C2
LCSG ▷ C9×C49
UCSC1 ◁ C2

27 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 62
transitive degreeμt(G) = 1764

A minimal faithful permutation representation — 2 generators on 62 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);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,62)(16,61)(17,60)(18,59)(19,58)(20,57)(21,56)(22,55)(23,54)(24,53)(25,52)(26,51)(27,50)(28,49)(29,48)(30,47)(31,46)(32,45)(33,44)(34,43)(35,42)(36,41)(37,40)(38,39)

Polycyclic presentation:

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

Conjugacy classes & character table

444 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC11×Dic441, Dic4851, C13×Dic441, …
maximal normal subgroup ofC11×Dic441, C13×Dic441, C17×Dic441, …
maximal quotient ofC11×Dic441, Dic4851, C13×Dic441, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1764, 5);