Finite Group Databasebeta
Cayley diagram

C2×Dic49 #87626

order392
isoclinismisoclinic class of D49
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

direct productC2×Dic49
unambiguous semidirect product(C2×C49)⋊C4

Splittings

derived, SylowC49 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC22D49
commutator, hypocenterC49C2×C4
FrattiniC2×C7C2×D7
FittingC22×C49C2
socle, prime radicalC22×C7D7
cosocleC2×C49C22
LCSG ▷ C49
UCSC1 ◁ C22

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 55
transitive degreeμt(G) = 392

A minimal faithful permutation representation — 2 generators on 55 points:

(1,2)(3,4,5,6)(8,10)(9,13)(11,16)(12,19)(14,22)(15,21)(17,26)(18,29)(20,31)(23,35)(24,34)(25,33)(27,28)(30,40)(32,42)(36,43)(37,45)(38,44)(39,48)(41,50)(46,51)(47,52)(49,54)(53,55);(1,2)(7,21,45,55,47,25,10,13,34,51,49,38,16,19,22,43,41,39,26,29,31,35,32,30,28,27,40,42,23,20,18,17,48,50,36,14,12,11,44,54,46,24,9,8,33,52,53,37,15)

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×Dic49, Dic49⋊C4, C4⋊Dic49, …
maximal normal subgroup ofC4×Dic49, Dic49⋊C4, C4⋊Dic49, …
maximal quotient ofC2×C49⋊C8, #11715989, C4×Dic49, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(392, 6);