Finite Group Databasebeta

C2×D7807 #44530280

order31228
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD15614
direct productC2×D7807
unambiguous semidirect product(C2×C37)⋊D211
unambiguous semidirect product(C2×C211)⋊D37

Splittings

Fitting, socleC2×C37×C211 ⋊ C2
derived, HallC37×C211 ⋊ C22
SylowC211 ⋊ C2×D37
SylowC37 ⋊ C2×D211

Subgroups

subgroupG/H
center, hypercenterC2D7807
commutator, cosocle, hypocenterC37×C211C22
FrattiniC1G
Fitting, socleC2×C37×C211C2
LCSG ▷ C37×C211
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 250
transitive degreeμt(G) = 15614

A minimal faithful permutation representation — 2 generators on 250 points:

(1,2)(3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39)(40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250);(4,39)(5,38)(6,37)(7,36)(8,35)(9,34)(10,33)(11,32)(12,31)(13,30)(14,29)(15,28)(16,27)(17,26)(18,25)(19,24)(20,23)(21,22)(41,250)(42,249)(43,248)(44,247)(45,246)(46,245)(47,244)(48,243)(49,242)(50,241)(51,240)(52,239)(53,238)(54,237)(55,236)(56,235)(57,234)(58,233)(59,232)(60,231)(61,230)(62,229)(63,228)(64,227)(65,226)(66,225)(67,224)(68,223)(69,222)(70,221)(71,220)(72,219)(73,218)(74,217)(75,216)(76,215)(77,214)(78,213)(79,212)(80,211)(81,210)(82,209)(83,208)(84,207)(85,206)(86,205)(87,204)(88,203)(89,202)(90,201)(91,200)(92,199)(93,198)(94,197)(95,196)(96,195)(97,194)(98,193)(99,192)(100,191)(101,190)(102,189)(103,188)(104,187)(105,186)(106,185)(107,184)(108,183)(109,182)(110,181)(111,180)(112,179)(113,178)(114,177)(115,176)(116,175)(117,174)(118,173)(119,172)(120,171)(121,170)(122,169)(123,168)(124,167)(125,166)(126,165)(127,164)(128,163)(129,162)(130,161)(131,160)(132,159)(133,158)(134,157)(135,156)(136,155)(137,154)(138,153)(139,152)(140,151)(141,150)(142,149)(143,148)(144,147)(145,146)

Conjugacy classes & character table

7810 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD31228
maximal normal subgroup ofD31228
maximal quotient ofDic15614, D31228

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31228, 11);