Finite Group Databasebeta

2−1+4×C49 #13096031

order1568
nilpotency class2
isoclinismisoclinic class of H(5,𝔽2)
automorphism?
homologyAbelianization (H1) = C24×C49 · Schur multiplier (H2) = C25

Aliases

direct product2−1+4×C49

Subgroups

subgroupG/H
centerC2×C49C24
commutatorC2C24×C49
Frattini, socle, cosocleC2×C7C24×C7
prime radicalC7×2−1+4C7
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C49 ◁ G

219 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 65
transitive degreeμt(G) = 784

A minimal faithful permutation representation — 4 generators on 65 points:

(2,6)(4,12)(7,9)(10,16)(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);(1,2,5,6)(3,9,11,7)(4,8,12,13)(10,15,16,14);(1,3,5,11)(2,7,6,9)(4,10,12,16)(8,14,13,15);(1,4)(2,8)(3,10)(5,12)(6,13)(7,14)(9,15)(11,16)

Conjugacy classes & character table

833 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1568, 197);