Finite Group Databasebeta

C5×7−1+2 #13133828

order1715
nilpotency class2
isoclinismisoclinic class of H(3,𝔽7)
automorphism?
homologyAbelianization (H1) = C5×C72 · Schur multiplier (H2) = C1

Aliases

direct productC5×7−1+2
unambiguous semidirect productC49⋊(C5×C7)
unambiguous semidirect product(C5×C49)⋊C7

Subgroups

subgroupG/H
center, socleC5×C7C72
commutator, Frattini, cosocleC7C5×C72
prime radicalC5×C72C7
LCSG ▷ C7 ▷ C1
UCSC1 ◁ C5×C7 ◁ G

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 54
transitive degreeμt(G) = 245

A minimal faithful permutation representation — 2 generators on 54 points:

(1,2,3,4,5)(6,7,9,13,20,31,40,8,11,15,22,33,42,49,12,18,25,35,44,41,50,19,29,24,37,32,43,51,30,28,27,21,34,45,52,39,17,14,23,36,46,53,48,10,16,26,38,47,54);(7,10,17,28,29,18,11)(9,14,24,15,16,27,25)(13,21,22,23,35,26,37)(20,32,38,44,36,33,34)(31,41,45,47,42,43,46)(40,49,50,51,52,53,54)

Conjugacy classes & character table

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

Relationships

Fitting subgroup ofD5×7−1+2, C5×D49⋊C7, #72277754, …
maximal subgroup ofC5×#14558877, C5×#14558878, C5×#14558879, …
maximal normal subgroup ofC5×#14558877, C5×#14558878, C5×#14558879, …
maximal quotient ofC5×C72⋊C49, C5×C49⋊C49, C5×C7×7−1+2

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1715, 4);