Finite Group Databasebeta

C4⋊Dic49 #11715992

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

Aliases

unambiguous semidirect productC4⋊Dic49

Splittings

SylowC49 ⋊ C4⋊C4

Subgroups

subgroupG/H
centerC22C2×D49
commutatorC2×C49C2×C4
Frattini, socle, prime radicalC22×C7C2×D7
FittingC2×C4×C49C2
cosocleC22×C49C22
hypercenterC2×C4D49
hypocenterC49C4⋊C4
LCSG ▷ C2×C49 ▷ C49
UCSC1 ◁ C22 ◁ C2×C4

39 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 784

Polycyclic presentation:

2^4,7^2|a^2=c,b^2=d,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#13095847, #13095848, #13095857, …
maximal normal subgroup of#13095847, #13095848, #13095857, …
maximal quotient ofC4⋊(C49⋊C8), #13095853, #13095857, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(784, 12);