Finite Group Databasebeta

(C7⋊C9)⋊Dic5 #11929451

order1260
isoclinismisoclinic class of C5⋊AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C7⋊C9)⋊Dic5
unambiguous semidirect productDic35⋊C9

Splittings

derived, HallC5×C7 ⋊ C4×C9
HallC5×C7⋊C9 ⋊ C4
HallDic35 ⋊ C9
HallC7⋊C9 ⋊ Dic5
SylowC7 ⋊ C9×Dic5
SylowC5 ⋊ Dic7⋊C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC2×C3C5⋊AGL(1,𝔽7)
commutator, hypocenterC5×C7C4×C9
Fitting, socle, prime radical, cosocleC2×C3×C5×C7C2×C3
LCSG ▷ C5×C7
UCSC1 ◁ C2×C3

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 1260

Polycyclic presentation:

2,3,2,3,5,7|a^2=c,b^3=d,e^a=e^4,f^a=f^6,f^b=f^2

Conjugacy classes & character table

102 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC11×(C7⋊C9)⋊Dic5, C11⋊((C7⋊C9)⋊Dic5), C13×(C7⋊C9)⋊Dic5, …
maximal normal subgroup ofC11×(C7⋊C9)⋊Dic5, C13×(C7⋊C9)⋊Dic5, C17×(C7⋊C9)⋊Dic5, …
maximal quotient ofC11×(C7⋊C9)⋊Dic5, C11⋊((C7⋊C9)⋊Dic5), C13×(C7⋊C9)⋊Dic5, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1260, 3);