Finite Group Databasebeta

C7⋊#1309 #11725518

order896
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C4

Aliases

unambiguous semidirect productC7⋊#1309

Splittings

SylowC7 ⋊ #1309

Subgroups

subgroupG/H
centerC22C7⋊#95
commutator, prime radicalC23×C7C42
FrattiniC2×C42C2×D7
FittingC7×#423C2
socleC22×C7#95
cosocleC2×C42×C7C22
hypercenter#423D7
hypocenterC7#1309
LCSG ▷ C23×C7 ▷ C22×C7 ▷ C7
UCSC1 ◁ C22 ◁ C2×C42 ◁ #423

146 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 448

Polycyclic presentation:

2^7,7|a^2=d,b^2=e,d^2=f,e^2=g,b^a=bc,c^a=cf,e^a=eg,h^a=h^6,c^b=cg,d^b=df

Conjugacy classes & character table

110 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13241339, #13241340, #13241417, …
maximal normal subgroup of#13241339, #13241340, #13241417, …
maximal quotient of#13240371, #13240372, #13240392, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 284);