Finite Group Databasebeta

#3874⋊D7 #14523604

order2100
isoclinismisoclinic class of #3874⋊D7
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#3874⋊D7

Splittings

Fitting, socle, HallC52×C7 ⋊ C2×D3
derived, HallC7×C52⋊C3 ⋊ C22
HallC52⋊C3 ⋊ C2×D7
SylowC52 ⋊ D3×D7
SylowC7 ⋊ #3874⋊C2

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, cosocle, hypocenterC7×C52⋊C3C22
Fitting, socleC52×C7C2×D3
LCSG ▷ C7×C52⋊C3
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 105

Polycyclic presentation:

2^2,3,7,5^2|c^a=c^2,d^a=d^6,e^a=ef,f^a=f^4,c^b=c^2,e^b=e^4f^4,e^c=f,f^c=e^4f^4

Conjugacy classes & character table

53 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#3874⋊D49, C7×#3874⋊D7, #3874⋊(C7⋊D7), …
maximal normal subgroup ofC7×#3874⋊D7, C11×#3874⋊D7, C13×#3874⋊D7, …
maximal quotient of#3874⋊D49, C7×#3874⋊D7, #3874⋊(C7⋊D7), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2100, 84);