Finite Group Databasebeta

(C2×D49)⋊C4 #11715993

order784
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect product(C2×D49)⋊C4

Splittings

FittingC2×C4×C49 ⋊ C2
SylowC49 ⋊ C22⋊C4

Subgroups

subgroupG/H
centerC22C2×D49
commutatorC2×C49C2×C4
Frattini, socleC22×C7C2×D7
FittingC2×C4×C49C2
prime radicalC22×D49C2
cosocleC22×C49C22
hypercenterC2×C4D49
hypocenterC49C22⋊C4
LCSG ▷ C2×C49 ▷ C49
UCSC1 ◁ C22 ◁ C2×C4

51 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 392

Polycyclic presentation:

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

Conjugacy classes & character table

202 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13095901, C4×D196, #13095904, …
maximal normal subgroup of#13095901, C4×D196, #13095904, …
maximal quotient of#13095845, #13095846, #13095849, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(784, 13);