Finite Group Databasebeta

C7⋊Dic49 #13063128

order1372
isoclinismisoclinic class of C7⋊D49
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC7⋊Dic49
unambiguous semidirect productC49⋊Dic7

Splittings

derived, SylowC7×C49 ⋊ C4

Subgroups

subgroupG/H
center, hypercenterC2C7⋊D49
commutator, hypocenterC7×C49C4
FrattiniC2×C7C7⋊D7
Fitting, cosocleC2×C7×C49C2
socle, prime radicalC2×C72D7
LCSG ▷ C7×C49
UCSC1 ◁ C2

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1372

Polycyclic presentation:

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

Conjugacy classes & character table

346 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1372, 9);