Finite Group Databasebeta

Dic49⋊C9 #13183481

order1764
isoclinismisoclinic class of D49⋊C3
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productDic49⋊C9
unambiguous semidirect product(C49⋊C9)⋊C4

Splittings

derived, SylowC49 ⋊ C4×C9
HallC49⋊C9 ⋊ C4
HallDic49 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC2×C3D49⋊C3
commutator, hypocenterC49C4×C9
Frattini, socle, prime radicalC2×C3×C7AGL(1,𝔽7)
Fitting, cosocleC2×C3×C49C2×C3
LCSG ▷ C49
UCSC1 ◁ C2×C3

27 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

Polycyclic presentation:

2,3,2,3,7^2|a^2=c,b^3=d,e^7=f,e^a=e^6f^6,f^a=f^6,e^b=e^4f^2,f^b=f^4

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC11×Dic49⋊C9, C11⋊(Dic49⋊C9), C13×Dic49⋊C9, …
maximal normal subgroup ofC11×Dic49⋊C9, C13×Dic49⋊C9, C17×Dic49⋊C9, …
maximal quotient ofC11×Dic49⋊C9, C11⋊(Dic49⋊C9), C13×Dic49⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1764, 1);